Los Angeles (LAX) to St Louis (STL) flights

Southwest Airlines, SkyWest Airlines fly nonstop from Los Angeles International Airport to St. Louis Lambert International Airport, with about 21 flights a week in July 2026. The 1,592-mile flight takes about 3h 29m gate to gate.

From
LAX
Los Angeles
Los Angeles International Airport
To
STL
St Louis
St. Louis Lambert International Airport
Distance
1,592 mi · 2,562 km
Flight time
3h 29m
Airlines
2
Seats filled
85%
Flights a week, July 2026
1,024 flights and 119,132 passengers in 12 months
STLSTLLAX
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying LAX to STL

AirlineFlights a weekAircraftPassengers (12 months)Flight time
Southwest Airlines14Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 796,7653h 25m
SkyWest Airlines7Embraer E17522,3673h 36m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

LAX to STL flight schedule

9 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 6:00am and the last at 7:10pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
WN 4401Southwest Airlines6:00am11:40am4n/a
WN 2402Southwest Airlines6:45am12:20pm4n/a
WN 4173Southwest Airlines6:50am12:25pm8n/a
WN 790Southwest Airlines8:05am1:35pm1275%
WN 4619Southwest Airlines10:00am3:30pm4n/a
WN 2435Southwest Airlines12:10pm5:45pm4n/a
WN 776Southwest Airlines12:20pm5:50pm8n/a
AA 5000American Airlines · operated by SkyWest Airlines5:17pm10:59pm3171%
WN 3215Southwest Airlines7:10pm12:45am1267%

Is LAX to STL on time?

From September 2025 to August 2026, 76% of 1,028 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 5am were the most punctual (94%), those around 12pm the least (57%). Most delay time was caused by late-arriving aircraft (45%).

AirlineFlightsOn timeAverage delayCancelled
Southwest Airlines67475%14 min0.3%
American Airlines35477%15 min0.8%

Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.

On-time arrivals by departure time

Scheduled departureFlightsOn time, relativeOn time
5am to 6am176
94%
6am to 7am47
89%
7am to 8am47
92%
8am to 9am22
77%
10am to 11am22
60%
11am to 12pm49
69%
12pm to 1pm65
57%
1pm to 2pm112
58%
2pm to 3pm26
73%
4pm to 5pm24
71%
5pm to 6pm88
67%
6pm to 7pm306
77%
7pm to 8pm30
50%

Flights by month

MonthFlightsFlights, relativePassengers
August 202592
10,384
September 202583
8,548
October 202595
10,418
November 2025101
11,504
December 2025103
11,997
January 202675
8,672
February 202674
8,268
March 202676
9,292
April 202672
8,592
May 202677
8,874
June 202689
11,452
July 202696
12,532

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.