Airport
St. Louis Lambert International Airport
STL · St Louis, MO
- IATA Code
- STL
- ICAO Code
- KSTL
- City
- St Louis
- Country
- United States
- Website
- www.flystl.com
St. Louis Lambert International Airport is a major airport serving St Louis, MO. Its IATA code is STL and its ICAO code is KSTL.
The airfield sits 618 feet above sea level.
Below you'll find official on-time statistics, current weather and delays, nearby aircraft and traveler reviews. Flown through STL recently? Share your experience to help other travelers.
STL by the numbers
IATA STL · ICAO KSTL · 618 ft elevation · Map
Loading live weather, forecasts, delays and nearby aircraft…
Official departure punctuality
Ranks #303 of 358 U.S. airports for on-time departures
- On-time departures
- 74.4%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 63,096
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 20%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Busiest routes from STL
| Route | Flights | On time |
|---|---|---|
| Denver (DEN) | 3,687 | 75% |
| Atlanta (ATL) | 3,673 | 85% |
| Chicago (ORD) | 3,112 | 73% |
| New York (LGA) | 2,578 | 74% |
| Orlando (MCO) | 2,539 | 78% |
| Washington (DCA) | 2,417 | 74% |
| Dallas-Fort Worth (DFW) | 2,391 | 76% |
| Phoenix (PHX) | 2,309 | 75% |
| Las Vegas (LAS) | 2,107 | 75% |
| Minneapolis (MSP) | 1,962 | 79% |
Airlines departing STL
| Airline | Flights | On-time departures |
|---|---|---|
| Southwest Airlines | 39,220 | 71% |
| American Airlines | 5,814 | 80% |
| Delta Air Lines | 5,339 | 87% |
| Republic Airways | 3,131 | 81% |
| United Airlines | 2,436 | 78% |
| SkyWest Airlines | 2,200 | 74% |
| Envoy Air | 1,609 | 79% |
| Frontier Airlines | 1,433 | 73% |
| OH | 976 | 74% |
| Alaska Airlines | 892 | 83% |
Runways
| Runway | Length | Surface |
|---|---|---|
| 12R/30L | 11,020 ft | CON, lighted |
| 12L/30R | 9,013 ft | CON, lighted |
| 11/29 | 9,000 ft | CON, lighted |
| 06/24 | 7,603 ft | CON, lighted |
Listen to the tower
Air traffic control frequencies, for scanners and airband radios.
- Recorded airport information (ATIS) 125.025 MHz
- Tower 118.500 MHz
- Tower 120.050 MHz
- Tower 132.475 MHz
- Ground 118.925 MHz
- Ground 121.650 MHz
- Ground 121.900 MHz
- Clearance delivery 119.500 MHz
- Departure 119.150 MHz
- Departure 128.100 MHz
- Approach 120.050 MHz
- Approach 121.025 MHz
- Approach 123.700 MHz
Runways and frequencies: OurAirports (public domain). Not for navigation.
Tags: STL, KSTL, St Louis airport, St. Louis Lambert International Airport
Reviews
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