Commercial aviation · Network and fleet strategy
India's Wide-Body Window
Where should Indian carriers deploy their next 100 long-haul aircraft, and can the India-Gulf corridor absorb them?
- Client
- IndiGo (InterGlobe Aviation), network and fleet strategy.
- The decision
- IndiGo holds 60 A350-900s on firm order and 40 purchase rights it has
- Horizon
- Deployment decisions through 2030, which is the horizon the market sizing runs
- Against
- Air India, 80 wide-bodies on firm order
A self-directed case. IndiGo has not commissioned, seen or endorsed any of it.
Presenter note
Open on the client and the decision, not on the market. The audience is IndiGo network and fleet strategy, and the question is where the first tranche of sixty firm A350s goes. Say up front that this is a portfolio simulation, not a commissioned engagement.
Agenda
Five moves, and the answer is in the first one
- 01The decision, and the answer
- 02Where the volume is, and where it disappears
- 03Why the aircraft cannot follow it
- 04The client's own starting position
- 05What to do, and what would break it
Presenter note
Answer first, always. If they only hear the next slide, they have the recommendation and the three reasons behind it.
Executive summary
Compete with the Gulf hubs. Do not fly more aircraft to them
situation
India's domestic market is settled and Indian carriers won it.
complication
Indian carriers are winning their home market back, and it still is not enough.
question
Where should the incoming wide-body capacity go, and can the Gulf corridor absorb it?
answer
The corridor is the prize. The aircraft go somewhere else.
Storyline and recommendation, docs/storyline.md and docs/recommendation.md.
2Presenter note
Europe first, North America second, Gulf capacity roughly flat. Three lines of evidence force it: no treaty room, the worst unit economics on the map, and an order book sized for a longer network. This used to say the opposite and it is recorded as pivot 1.
The case in six numbers
Every figure in this deck is computed in-repo from DGCA, Eurostat and World Bank data
78M
India international sector passengers
51%
of that traffic touches a Gulf point
46%
is flown by Indian carriers
2.0x
Air India's average international flight vs IndiGo's
+78%
is what the firm order book would add to international capacity
88.8%
of the India-Dubai seat entitlement is already used
DGCA monthly traffic statistics, computed in-repo. Full provenance in data/data_dictionary.md.
3Presenter note
If someone challenges a number, every one of these traces to a module function in one click. Twenty-five of thirty-one hand-entered values cleared a verification gate; the six that did not are named on the methodology page.
1. Size the prize
Half of India's international traffic touches the Gulf, 4.1x the entire direct Europe market
DGCA monthly traffic statistics, computed in-repo. Full provenance in data/data_dictionary.md.
4Presenter note
Nothing below weakens this. The corridor is real and it is the largest thing on the map. What changes is the conclusion drawn from it.
1. Size the prize
India's own statistics lose sight of the passenger at the Gulf hub
DGCA monthly traffic statistics, computed in-repo. Full provenance in data/data_dictionary.md.
5Presenter note
DGCA records the first foreign point and nothing beyond. Delhi to Dubai to London is counted as a passenger to the UAE. This blind spot is not an apology, it is the finding.
1. Size the prize
8.5M passengers a year connect through a Gulf hub rather than stopping there, worth INR 28,916 to 56,712 crore
Contested connecting revenueINR 28,916 to 56,712 crore
at IndiGo’s realised yield, up to Emirates’. 8.5M passengers a year
IndiGo FY2026 revenue, for scaleINR 84,962 crore
the contested pool is 0.34x to 0.67x the airline’s entire annual revenue
Computed in src/options.py, banded between IndiGo's and Emirates' verified yields. Modelled.
6Presenter note
A third to two thirds of IndiGo's entire annual revenue, in a pool it does not currently compete for. Be honest that the origin-destination share underneath it has no Gulf six source. IATA's free report corroborates it at 39.2 per cent for a wider Middle East, which bounds it rather than settles it. It is still the single likeliest reason this case is wrong.
1. Size the prize
Three independent methods put 2030 between 96M and 109M, and capacity is the binding leg
Computed in src/market_sizing.py. Reported as a band; the average is never drawn.
7Presenter note
Verifying the gated inputs added the LOW leg, so the band widened downward and the recommendation got harder to argue. A gate that only ever unlocks good news is not a gate.
1. Size the prize
Every demand path, including the pessimistic one, needs materially more long-haul capacity
Computed in src/scenario.py.
8Presenter note
The spread between bear and bull is 27 million passengers and every path needs the aircraft. The argument does not rest on optimism.
2. The premise reverses
India is winning its own market: Indian carriers went 37.0% to 45.9% while the Gulf fell 32.7% to 26.2%
DGCA monthly traffic statistics, computed in-repo. Full provenance in data/data_dictionary.md.
9Presenter note
Most versions of this question assume India is losing and needs rescuing. It is not. Correcting the premise is what makes the rest of the recommendation defensible, and it only surfaced after a GRAND TOTAL row worth 17.5M passengers was found being counted as a foreign airline.
3. The capability gap
IndiGo flies 2,643 km on average against Air India's 5,316 km. The wide-body order exists to close that
DGCA monthly traffic statistics, computed in-repo. Full provenance in data/data_dictionary.md.
10Presenter note
Neither airline is doing anything wrong. They are in different businesses, and the order is IndiGo buying into the second one.
4. Can the aircraft be absorbed
The order book is 1.94x the growth needed to hold share, and clears only at 27% longer sectors or 58% of the market
Computed in src/fleet_gap.py. Capacity in ASK, not seats.
11Presenter note
These aircraft are not bought to carry more of the same traffic. They are bought to carry it further. That is the recommendation restated in capacity terms.
5. The Gulf has no room
India-Dubai is at 88.8% of its entitlement and Abu Dhabi at 70.1%. Together they absorb about 4% of the order book
DUBAI118,159 of 133,008 seats a week
88.8% used, effectively no room left
ABUDHABI70,107 of 100,000 seats a week
70.1% used
The dashed line is the reported entitlement. Both figures carry UNVERIFIED_NO_PRIMARY: India publishes no entitlement table at all.
Computed in src/benchmarking.py. Entitlements are UNVERIFIED_NO_PRIMARY.
12Presenter note
Say the caveat out loud: India publishes no entitlement table, so both figures are corroborated rather than verified. Abu Dhabi at 70% is why we do not claim the Gulf is uniformly capped. Never quote 66,504 as the India-UAE cap; that is one emirate and one side.
6. And the worst economics
Gulf sectors clear at -4.3% yield headroom against Europe at +21.3%
Computed in src/options.py. CASK_STAGE_ELASTICITY = -0.25, a labelled modelled knob.
13Presenter note
Headroom, not a breakeven against flat yield: yield per kilometre falls with stage length, so holding it constant flatters long-haul. There is no NPV anywhere in this project, and the reason is the same.
7. The profit pool says the same
The Gulf is 52% of passengers and 31% of revenue, the widest gap of any corridor
30%
26%
24%
widest, and the lowest margin of any
volume is real, margin is not
North AmericaOceaniaEuropeAfricaSoutheast AsiaEast AsiaSouth AsiaGulf
Width is revenue share, height is modelled margin, so area is profit.modelled
Computed in src/profit_pools.py. Margin axis is modelled and labelled as such.
14Presenter note
Two unrelated routes reach the same ordering: this models margin up from an EBITDAR anchor, the headroom chart scales cost down from a published CASK. They share nothing but the corridor distances.
8. The starting point
IndiGo did not cover its unit cost in FY2026: RASK 4.99 against CASK 5.00
Cost sits 0.01 above revenue, 0.2% of unit revenue. In the same year the rupee added 0.41 to unit cost, 41x the gap. The inversion is a treasury outcome on dollar lease liabilities, not a route one.
IndiGo FY2026 results release and Annual Report FY26, verified in data/manual/assumptions.csv.
15Presenter note
This is the sharpest number in the case and it is about the client, not the market. One paisa per seat kilometre, on the wrong side. It is why the sequencing has to be right: there is no margin cushion under a commitment this size.
8. The starting point
Both FY2026 margins are true: 17.8% as reported against 27.3% excluding forex
Red is what IndiGo reported. Grey is the same year excluding forex on dollar lease liabilities. Both are true and they tell opposite stories.
IndiGo FY2026 results release and Annual Report FY26, verified in data/manual/assumptions.csv.
16Presenter note
Publish both, always. This project once claimed the operating margin had halved, from a convention the company does not publish, and had to retract it. Quoting only the flattering ex-forex figure is the same error pointing the other way.
9. The cost problem
The rupee added more to unit cost than the entire net rise, and wide-body obligations are dollar-denominated
IndiGo FY2026 results release and Annual Report FY26, verified in data/manual/assumptions.csv.
17Presenter note
Fuel fell. Real non-fuel inflation was 0.11. Currency added 0.41 against a net rise of 0.34. The exposure gets worse exactly where the capacity is being added.
10. The size of the commitment
The sixty A350s would produce revenue equal to 28% of the entire FY2026 top line
FY2026 revenueINR 84,962 crore
The 60 A350s, at FY2026 RASKINR 24,172 crore
FY2026 EBITDAR, excluding forexINR 23,189 crore
Flown at the owned-fleet utilisation basis of 10.06 hours a day, the client’s own sixty aircraft produce 48.4bn ASK, which at FY2026’s realised unit revenue is 28% of the entire top line and 1.04x a year of earnings. A further 40 purchase rights are unconverted and are not counted here, because a purchase right is not capacity.
IndiGo FY2026 results release and Annual Report FY26, verified in data/manual/assumptions.csv.
18Presenter note
Scale, not financing. No aircraft price appears anywhere: list prices are not transaction prices and transaction prices are confidential. If asked about funding, say financing is explicitly out of scope and the lease-rate data that would settle it is paywalled.
11. The options
Only one option is both available this decade and value-creating, and it is not the one that follows the traffic
Option menu parsed from docs/recommendation.md rather than retyped.
19Presenter note
The damp-lease bridge is genuinely unquantified and says so. That is the largest open input in the project.
12. What would break it
Nine risks, and the two that are high on both axes are outside the airline's control
Delivery slip
High likelihood · High impact
Airbus quarterly deliveries; any IndiGo fleet-plan disclosure
Rupee depreciation
High likelihood · High impact
FIRED. Q1 FY2027 averaged 95.02 INR/USD against 85.29, a move of 11.4%. Graded correctly
Gulf carriers cut fares on direct-competing routes
Medium likelihood · High impact
Published fares on India-Europe versus India-Gulf-Europe itineraries
Bilateral expansion re-floods the Gulf corridor
Medium likelihood · Medium impact
Ministry of Civil Aviation announcements; Rajya Sabha questions on air services agreements
ATF spike
Medium likelihood · High, corrected from Medium impact
FIRED, and the impact grade was wrong. Fuel CASK went 1.38 to 2.49, up 80.4%, and turned a 2,176 crore quarterly profit into a 238 crore loss. Not a Medium-impact risk
Europe direct yields fall past the headroom
Medium likelihood · High impact
IndiGo quarterly yield disclosure, which is published
Risk register parsed from docs/recommendation.md. Nine rows in full there.
20Presenter note
Every row carries what would falsify it and the leading indicator that moves first. A risk register without a falsifier is a list of worries.
The recommendation
Compete with the Gulf hubs. Europe first, North America second, Gulf capacity roughly flat
Now
Europe direct, where headroom is widest
+21.3% headroom and reachable by the committed fleet
Next
North America as deliveries arrive
Highest headroom on the map, and only a wide-body reaches it
Hold
Gulf capacity roughly flat
88.8% of entitlement used and negative headroom
Full roadmap, WWHTBT and leading indicators in docs/recommendation.md.
21Presenter note
Close here in the five-minute version. Everything after this is appendix and only comes out if asked.
Backup
The Gulf carries 52% of passengers on 31% of revenue, with no margin assumption at all
Passengers, great circle distances and one published yield. src/profit_pools.py.
22Presenter note
Use this if someone rejects the modelled margin axis. It carries the same point with nothing modelled in it.
Backup
Timing changes when the shortfall lands, not whether the order book is enough
Computed in src/fleet_gap.py. No primary source states a delivery schedule.
23Presenter note
For the phasing question. The shape is the same on all three delivery starts, which is why the question is what to fly in the bridge years.