Indianapolis (IND) to St Louis (STL)

228mi
367 km198 nm

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.

Route map: IND → STLINDSTL

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What actually flies INDSTL

Filed traffic data

In 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.

What plane flies IND–STL?

In May 2026, the Embraer E175 flew 33% of IND–STL departures — more than any other aircraft type.

How has IND–STL traffic changed?

Nonstop IND–STL departures rose from 2 in June 2025 to 6 in May 2026.

Monthly nonstop INDSTL 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

IND

US

Indianapolis International Airport

Coordinates

39.72°N, 86.29°W

Hemisphere

N · W

STL

US

St. Louis Lambert International Airport

Coordinates

38.75°N, 90.37°W

Hemisphere

N · W

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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