Route
LGA → STL
LaGuardia Airport St. Louis Lambert International Airport
How punctual is this route?
- On-time arrivals
- 75.2%
- Less than 15 minutes late
- Cancelled
- 4.6%
- Of scheduled flights
- Average delay when late
- 75 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,577
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 49%
- Air traffic control & airport 24%
- Airline (crew, maintenance, cleaning) 21%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 83.2% | 204 |
| October 2025 | 68.0% | 199 |
| November 2025 | 68.8% | 189 |
| December 2025 | 63.2% | 229 |
| January 2026 | 85.6% | 215 |
| February 2026 | 85.0% | 202 |
| March 2026 | 68.5% | 255 |
| April 2026 | 82.9% | 249 |
| May 2026 | 75.9% | 233 |
| June 2026 | 76.2% | 204 |
| July 2026 | 77.5% | 204 |
| August 2026 | 67.4% | 194 |
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 | 1,395 | 73.3% | 3.8% | 72 min |
| Republic Airways | 1,175 | 77.5% | 5.6% | 79 min |
| SkyWest Airlines | 7 | 71.4% | 0.0% | 26 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
YX4461
20% late · 172 flights
-
YX4728
35% late · 144 flights
-
YX4383
38% late · 119 flights
-
YX4475
23% late · 98 flights
-
YX4509
18% late · 76 flights
-
WN2473
38% late · 72 flights
-
WN3453
16% late · 63 flights
-
WN4895
55% late · 60 flights
-
WN2940
17% late · 58 flights
-
WN1430
29% late · 57 flights
-
WN1318
30% late · 55 flights
-
YX4508
6% late · 54 flights
-
YX5822
12% late · 53 flights
-
WN2377
11% late · 50 flights
-
WN2942
14% late · 50 flights
-
WN3105
40% late · 50 flights
-
WN2740
27% late · 43 flights
-
WN523
10% late · 43 flights
-
WN974
52% late · 42 flights
-
WN3459
23% late · 41 flights
-
WN1323
16% late · 39 flights
-
YX4353
11% late · 38 flights
-
YX4658
5% late · 38 flights
-
YX5602
18% late · 36 flights
Reviews
No reviews yet. Be the first to review this route.