Indianapolis (IND) to St Louis (STL)
Flight time
≈ 1h 15m
Bearing
254° W
Indianapolis (IND) to St Louis (STL) is 228 miles (367 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IND–STL
Filed traffic dataIn May 2026, American Airlines operated the most departures, one of 4 carriers flying nonstop IND–STL; the Embraer E175 was the most common aircraft at 33% of departures; flights ran 53% full.
Departures
6
May 2026
Seats
793
both directions
Passengers
418
both directions
Load factor
52.7%
RPM ÷ ASM
Who flies IND–STL?
American Airlines operated the most nonstop IND–STL departures in May 2026 (2), one of 4 carriers on the route.
- AA
2 departures · 318 seats
Share of departures33.3%69.8%
Load
- YX
2 departures · 152 seats
Share of departures33.3%75.7%
Load
- SY
1 departures · 186 seats
Share of departures16.7%0.0%
Load
- WN
1 departures · 137 seats
Share of departures16.7%59.1%
Load
What plane flies IND–STL?
In May 2026, the Embraer E175 flew 33% of IND–STL departures — more than any other aircraft type.
- Embraer E175
2 departures · 75.7% load
33.3% - Boeing 737-700
1 departures · 59.1% load
16.7% - Boeing 737-800
1 departures · 0.0% load
16.7% - Airbus A319
1 departures · 70.3% load
16.7% - Airbus A321neo
1 departures · 69.5% load
16.7%
How has IND–STL traffic changed?
Nonstop IND–STL departures rose from 2 in June 2025 to 6 in May 2026.
Monthly nonstop IND–STL traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
2 departures · 105 passengers
50.5%
Load
July 2025
6 departures · 706 passengers
77.4%
Load
August 2025
2 departures · 129 passengers
50.6%
Load
September 2025
1 departures · 130 passengers
90.9%
Load
October 2025
4 departures · 328 passengers
86.8%
Load
November 2025
2 departures · 270 passengers
89.7%
Load
December 2025
2 departures · 179 passengers
67.3%
Load
January 2026
5 departures · 256 passengers
46.1%
Load
February 2026
1 departures · 73 passengers
96.0%
Load
March 2026
4 departures · 282 passengers
55.8%
Load
April 2026
10 departures · 1,069 passengers
65.8%
Load
May 2026
6 departures · 418 passengers
52.7%
Load
Nonstop IND–STL traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Indianapolis (IND) from St Louis (STL)?
IND to STL is 228 miles (367 km / 198 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IND to STL?
A nonstop covers the 228-mile great-circle distance in roughly 1h 15m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IND–STL?
In May 2026, the Embraer E175 flew the largest share of departures (33.3%), followed by the Boeing 737-700 (16.7%).
What mileage do I earn flying IND–STL?
Distance-based programs credit off the 228-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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