St Louis (STL) to New York (LGA) flights
Southwest Airlines, Endeavor Air, Republic Airline fly nonstop from St. Louis Lambert International Airport to LaGuardia Airport, with about 62 flights a week in July 2026. The 888-mile flight takes about 2h 21m gate to gate.
- Distance
- 888 mi · 1,429 km
- Flight time
- 2h 21m
- Airlines
- 3
- Seats filled
- 76%
Airlines flying STL to LGA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 25 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 162,782 | 2h 16m |
| Endeavor Air | 21 | Bombardier CRJ900, Bombardier CRJ700 | 57,737 | 2h 23m |
| Republic Airline | 17 | Embraer E175 | 61,712 | 2h 24m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175 | 1,724 | 2h 33m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
STL to LGA flight schedule
16 flight numbers flew this route in August 2026, 9 of them almost daily. The first usually leaves at 5:40am and the last at 8:00pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| WN 187Southwest Airlines | 5:40am | 9:00am | 24 | 96% |
| AA 4669American Airlines · operated by Republic Airline | 6:00am | 9:29am | 27 | 88% |
| DL 4981Delta Air Lines · operated by Endeavor Air | 6:05am | 9:38am | 21 | 87% |
| DL 4939Delta Air Lines · operated by Endeavor Air | 7:05am | 10:35am | 5 | 87% |
| AA 4443American Airlines · operated by Republic Airline | 9:15am | 12:48pm | 23 | 96% |
| DL 4839Delta Air Lines · operated by Endeavor Air | 9:25am | 12:56pm | 26 | 80% |
| WN 4334Southwest Airlines | 11:00am | 2:20pm | 28 | 64% |
| DL 4922Delta Air Lines · operated by Endeavor Air | 12:30pm | 4:09pm | 31 | 72% |
| AA 4449American Airlines · operated by Republic Airline | 2:55pm | 6:29pm | 23 | 78% |
| WN 579Southwest Airlines | 3:30pm | 6:50pm | 8 | n/a |
| WN 3852Southwest Airlines | 3:35pm | 6:55pm | 16 | 25% |
| WN 893Southwest Airlines | 4:20pm | 7:40pm | 4 | n/a |
| DL 4935Delta Air Lines · operated by Endeavor Air | 5:25pm | 9:03pm | 26 | 81% |
| WN 2476Southwest Airlines | 7:45pm | 11:05pm | 4 | n/a |
| WN 2151Southwest Airlines | 7:55pm | 11:15pm | 8 | n/a |
| WN 2710Southwest Airlines | 8:00pm | 11:20pm | 12 | 42% |
Is STL to LGA on time?
From September 2025 to August 2026, 75% of 3,636 flights arrived within 15 minutes of schedule and 4.6% were cancelled. Flights leaving around 6am were the most punctual (88%), those around 7pm the least (57%). Most delay time was caused by air traffic control and airport congestion (35%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,395 | 69% | 19 min | 3.1% |
| Delta Air Lines | 1,313 | 77% | 19 min | 6.2% |
| American Airlines | 928 | 80% | 19 min | 4.6% |
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 departure | Flights | On time, relative | On time |
|---|---|---|---|
| 5am to 6am | 170 | 95% | |
| 6am to 7am | 503 | 88% | |
| 7am to 8am | 308 | 86% | |
| 9am to 10am | 370 | 80% | |
| 10am to 11am | 189 | 79% | |
| 11am to 12pm | 343 | 71% | |
| 12pm to 1pm | 185 | 71% | |
| 1pm to 2pm | 239 | 71% | |
| 2pm to 3pm | 107 | 68% | |
| 3pm to 4pm | 364 | 68% | |
| 4pm to 5pm | 83 | 71% | |
| 5pm to 6pm | 361 | 67% | |
| 7pm to 8pm | 203 | 57% | |
| 8pm to 9pm | 110 | 51% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 327 | 27,493 | |
| September 2025 | 305 | 24,214 | |
| October 2025 | 303 | 26,095 | |
| November 2025 | 288 | 24,062 | |
| December 2025 | 287 | 27,245 | |
| January 2026 | 283 | 17,051 | |
| February 2026 | 256 | 15,574 | |
| March 2026 | 286 | 22,079 | |
| April 2026 | 298 | 22,978 | |
| May 2026 | 300 | 26,248 | |
| June 2026 | 289 | 25,608 | |
| July 2026 | 276 | 25,463 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.