FAA · Live

Open the map

Airports · St. Louis Lambert International Airport

Flights from St Louis (STL)

Airlines flew 71,582 departures out of St. Louis Lambert International Airport (STL) carrying 7,517,660 passengers over the 12 months through April 2026. Here's what actually flew — the busiest routes, the carriers, and the aircraft — from US DOT T-100 filings.

What flies from St Louis

US DOT T-100 · filed data

What airlines actually flew out of St Louis — departures, seats, and passengers filed with the US DOT (T-100) over the trailing 12 months, not a schedule.

Departures

71,582

April 2026

Seats flown

10,154,004

Passengers

7,517,660

Load factor

74.0%

passengers ÷ seats

Busiest routes from St Louis

Where flights from St Louis go most, by departures over the trailing 12 months.

  • STLORD

    4,931 departures · 304,810 passengers

    77.3%

    Load

  • STLATL

    3,633 departures · 452,546 passengers

    74.4%

    Load

  • STLDEN

    3,624 departures · 467,718 passengers

    79.8%

    Load

  • STLLGA

    3,573 departures · 290,407 passengers

    76.2%

    Load

  • STLMCO

    2,469 departures · 326,570 passengers

    76.1%

    Load

  • STLDCA

    2,339 departures · 201,003 passengers

    67.0%

    Load

  • STLDFW

    2,298 departures · 260,594 passengers

    81.1%

    Load

  • STLPHX

    2,287 departures · 295,452 passengers

    80.7%

    Load

  • STLMSP

    2,217 departures · 208,999 passengers

    75.8%

    Load

  • STLLAS

    2,044 departures · 271,566 passengers

    75.6%

    Load

  • STLDTW

    1,894 departures · 172,709 passengers

    74.8%

    Load

  • STLDAL

    1,893 departures · 215,339 passengers

    69.7%

    Load

  • STLCLT

    1,847 departures · 231,899 passengers

    79.7%

    Load

  • STLMDW

    1,775 departures · 175,131 passengers

    61.8%

    Load

  • STLBOS

    1,597 departures · 166,306 passengers

    80.5%

    Load

Airlines at St Louis

Ranked by seats flown — the capacity each carrier actually operated out of St Louis.

Aircraft flown from St Louis

Aircraft types by share of departures — what actually operated, not what's based here.

Monthly departures from St Louis

Monthly departures from St Louis, trailing 12 months through April 2026. Bars scale to the busiest month.

  • May 2025

    6,327 departures · 704,144 passengers

    78.4%

    Load

  • June 2025

    6,493 departures · 712,504 passengers

    77.2%

    Load

  • July 2025

    6,655 departures · 727,217 passengers

    77.9%

    Load

  • August 2025

    6,303 departures · 656,825 passengers

    74.3%

    Load

  • September 2025

    5,945 departures · 637,377 passengers

    74.9%

    Load

  • October 2025

    6,346 departures · 690,677 passengers

    76.7%

    Load

  • November 2025

    5,750 departures · 586,660 passengers

    71.3%

    Load

  • December 2025

    5,924 departures · 631,236 passengers

    74.2%

    Load

  • January 2026

    5,143 departures · 483,305 passengers

    66.3%

    Load

  • February 2026

    4,991 departures · 487,279 passengers

    69.8%

    Load

  • March 2026

    5,954 departures · 625,110 passengers

    73.8%

    Load

  • April 2026

    5,751 departures · 575,326 passengers

    70.5%

    Load

Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through April 2026. The DOT publishes roughly three months in arrears.