St. Louis Lambert International Airport
Daylight today(Aug 30, 2026, local time)
About 13h 7m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About St. Louis Lambert International Airport
St. Louis Lambert International Airport, commonly referred to as Lambert Field or simply Lambert, is the primary international airport serving St. Louis, Missouri, and its metropolitan area. Covering 3,793 acres (1,535 ha) of land, it is the largest and busiest airport in the U.S. state of Missouri, being located 14 miles (23 km) northwest of downtown St. Louis in unincorporated St. Louis County between Berkeley and Bridgeton. The airport provides nonstop service to over 80 destinations within the United States, Canada, Mexico, the Caribbean, and Europe, having served nearly 16 million passengers in 2024.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KSTLNOTAMs
KSTLReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (4)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 12R / 30L▸ displaced | 11,020 ft / 3,359 m | 200 ft | Con | Lighted | Open |
| 12L / 30R | 9,013 ft / 2,747 m | 150 ft | Con | Lighted | Open |
| 11 / 29 | 9,000 ft / 2,743 m | 150 ft | Con | Lighted | Open |
| 06 / 24 | 7,603 ft / 2,317 m | 150 ft | Con | Lighted | Open |
Radio frequencies (16)
| Type | Description | Frequency |
|---|---|---|
| APP | ST LOUIS APP | 120.050 MHz |
| APP | SAINT LOUIS APPROACH SECONDARY | 123.700 MHz |
| APP | SOUTH/WEST SECONDARY | 121.025 MHz |
| ATIS | ATIS | 125.025 MHz |
| CLD | CLNC DEL | 119.500 MHz |
| DEP | ST LOUIS DEP S/W | 128.100 MHz |
| DEP | ST LOUIS DEP N/E | 119.150 MHz |
| GND | RWAY 11-29 | 118.925 MHz |
| GND | SAINT LOUIS GROUND OUTBOUND | 121.650 MHz |
| GND | SAINT LOUIS GROUND INBOUND | 121.900 MHz |
| OPS | ANG OPS | 29.790 MHz |
| RDO | ST LOUIS RDO | 122.050 MHz |
| TWR | RWY 06 AND 11-29 | 132.475 MHz |
| TWR | RWAY 12L-30R | 120.050 MHz |
| TWR | RWAY 12R-30L | 118.500 MHz |
| UNIC | UNICOM | 122.950 MHz |
Services & operations
Parking availability and wait times are provided for travelers.
From the airport’s official website — details may change, so confirm with the airport. Official site
Navaids(3)
Airlines & destinations
Route data from OpenFlights — historical and may be out of date. Check current schedules.
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (4)
Departure procedures (SIDs) (4)
Arrivals (STARs) (4)
Takeoff & alternate minimums (1)
Runway hot spots (1)
Showing 15 of 69 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(4)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| ST LOUIS CLASS B AREA C | Class B | Controlled | 2000 ft MSL | 8000 ft MSL |
| ST LOUIS CLASS B AREA E EXCLUDES AREA A,B,C AND D | Class B | Controlled | 3000 ft MSL | 8000 ft MSL |
| ST LOUIS CLASS B AREA A | Class B | Controlled | GND | 8000 ft MSL |
| ST LOUIS CLASS B AREA L | Class B | Controlled | 5000 ft MSL | 8000 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Weather by month
Share of VFR / marginal-VFR / IFR / low-IFR conditions by month over the last 8 years, with the prevailing wind and typical density altitude. Historical climatology — not a forecast.
Prevailing wind: S (from about 180°), on 11% of observations, averaging 8 kt.
| Month | VFR / MVFR / IFR / LIFR | % VFR | Median DA |
|---|---|---|---|
| Jan | 65% | -1,113 ft | |
| Feb | 74% | -916 ft | |
| Mar | 76% | -86 ft | |
| Apr | 86% | 611 ft | |
| May | 85% | 1,312 ft | |
| Jun | 92% | 1,919 ft | |
| Jul | 92% | 2,009 ft | |
| Aug | 92% | 1,902 ft | |
| Sep | 92% | 1,584 ft | |
| Oct | 82% | 653 ft | |
| Nov | 79% | -271 ft | |
| Dec | 68% | -606 ft |
VFR MVFR IFR LIFR· density altitude ranges ~-1,113–2,009 ft through the year· Source: NWS/IEM ASOS archive.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Gateway Arch | 630 ft | 430 ft | — |
| Obstacle | 594 ft | 538 ft | — |
| Obstacle | 587 ft | 466 ft | — |
| Buenger Hall - Dorm D | 577 ft | 587 ft | — |
| Obstacle | 558 ft | 459 ft | — |
| Obstacle | 436 ft | 390 ft | — |
| Obstacle | 436 ft | 390 ft | — |
| Obstacle | 400 ft | 505 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from St. Louis Lambert International Airport.
Frequently asked questions
What is the ICAO code for St. Louis Lambert International Airport?
The ICAO code for St. Louis Lambert International Airport is KSTL, and its IATA code is STL.
Where is St. Louis Lambert International Airport located?
St. Louis Lambert International Airport is large airport located in St Louis, United States, at an elevation of 618 ft (188 m).
How many runways does St. Louis Lambert International Airport have?
St. Louis Lambert International Airport has 4 runways, the longest being 11,020 ft / 3,359 m.
Which airlines fly to St. Louis Lambert International Airport?
Airlines historically serving St. Louis Lambert International Airport include AeroMéxico, Air Canada, Air Choice One, Air France, AirTran Airways, Alaska Airlines, among 16 carriers (based on OpenFlights route data, which may be out of date).
How many destinations are served from St. Louis Lambert International Airport?
Historical data lists 60 nonstop destinations from St. Louis Lambert International Airport. Always check current schedules.
What time zone is St. Louis Lambert International Airport in?
St. Louis Lambert International Airport is in the America/Chicago time zone (UTC-05:00).
What is the magnetic variation at St. Louis Lambert International Airport?
The magnetic variation (declination) at St. Louis Lambert International Airport is approximately 1.9° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near St. Louis Lambert International Airport?
The nearest airport to St. Louis Lambert International Airport is Creve Coeur Airport (K1H0), about 6.6 nm to the w, followed by St Charles County Regional Airport/Smartt Field and Waldmeister Farm Airport.
Is the information on this page suitable for flight planning?
No. St. Louis Lambert International Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.