Which departure time was most reliable for LGA to STL?
Among qualifying LGA-to-STL departure window results, Early morning had the highest on-time rate: 89.4% of 510 flights. Evening was lowest at 56.9% across 661 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 510 | 89.4% | 5.5% | 1.6% |
| Late morning | 576 | 78.0% | 10.8% | 3.5% |
| Afternoon | 872 | 70.6% | 18.5% | 3.0% |
| Evening | 661 | 56.9% | 26.9% | 7.7% |
Which weekday was most reliable for LGA to STL?
Among qualifying LGA-to-STL weekday results, Wednesday had the highest on-time rate: 75.6% of 410 flights. Sunday was lowest at 65.9% across 375 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 409 | 70.2% | 15.2% | 7.3% |
| Tuesday | 420 | 74.3% | 15.2% | 3.8% |
| Wednesday | 410 | 75.6% | 16.3% | 3.4% |
| Thursday | 406 | 72.9% | 18.2% | 3.4% |
| Friday | 407 | 73.5% | 16.5% | 2.2% |
| Saturday | 217 | 75.1% | 15.7% | 1.4% |
| Sunday | 375 | 65.9% | 17.9% | 5.3% |
Which airline was most reliable for LGA to STL?
Among qualifying LGA-to-STL airline results, Republic Airways had the highest on-time rate: 73.3% of 1,226 flights. Southwest Airlines was lowest at 71.2% across 1,390 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,390 | 71.2% | 17.0% | 3.0% |
| Republic Airways | 1,226 | 73.3% | 16.2% | 5.2% |
| SkyWest Airlines | 28 | 89.3% | 0.0% | 0.0% |
Which month was most reliable for LGA to STL?
Among qualifying LGA-to-STL month results, August 2025 had the highest on-time rate: 83.3% of 240 flights. July 2025 was lowest at 59.1% across 225 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 225 | 59.1% | 24.9% | 8.0% |
| August 2025 | 240 | 83.3% | 9.2% | 1.2% |
| September 2025 | 204 | 82.4% | 12.3% | 1.0% |
| October 2025 | 199 | 66.3% | 19.1% | 2.5% |
| November 2025 | 189 | 67.7% | 22.8% | 1.6% |
| December 2025 | 229 | 60.7% | 25.3% | 3.9% |
| January 2026 | 215 | 80.0% | 9.8% | 6.5% |
| February 2026 | 202 | 78.7% | 7.4% | 7.4% |
| March 2026 | 255 | 62.4% | 21.6% | 9.0% |
| April 2026 | 249 | 81.9% | 12.0% | 0.4% |
| May 2026 | 233 | 74.2% | 15.5% | 1.7% |
| June 2026 | 204 | 72.1% | 17.6% | 4.4% |
What drove LGA to STL delay minutes?
Late aircraft was the largest recorded LGA-to-STL delay category, accounting for 49.4% of 43,686 BTS-attributed delay minutes during July 2025–June 2026.
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