Route
LAX → STL
Los Angeles International Airport St. Louis Lambert International Airport
How punctual is this route?
- On-time arrivals
- 75.5%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,028
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 45%
- Late-arriving aircraft 44%
- Air traffic control & airport 11%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.5% | 82 |
| October 2025 | 82.1% | 95 |
| November 2025 | 73.3% | 102 |
| December 2025 | 75.7% | 103 |
| January 2026 | 77.3% | 75 |
| February 2026 | 82.4% | 74 |
| March 2026 | 67.1% | 76 |
| April 2026 | 81.9% | 73 |
| May 2026 | 77.0% | 75 |
| June 2026 | 69.3% | 88 |
| July 2026 | 73.6% | 92 |
| August 2026 | 67.4% | 93 |
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
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 674 | 74.9% | 0.3% | 54 min |
| SkyWest Airlines | 354 | 76.6% | 0.8% | 66 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO5000
29% late · 105 flights
-
OO6215
17% late · 74 flights
-
WN3417
14% late · 64 flights
-
WN2400
53% late · 60 flights
-
WN4900
12% late · 51 flights
-
WN2904
28% late · 50 flights
-
WN1011
32% late · 47 flights
-
OO6502
27% late · 45 flights
-
OO6209
24% late · 37 flights
-
WN3427
0% late · 31 flights
-
WN3729
46% late · 28 flights
-
WN3436
7% late · 27 flights
-
OO6342
27% late · 26 flights
-
OO6350
17% late · 24 flights
-
OO6359
13% late · 24 flights
-
WN2903
17% late · 24 flights
-
WN2915
4% late · 24 flights
-
WN3727
16% late · 20 flights
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Headlines found by Google News; stories open on the publisher's site.
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