Which departure time was most reliable for ECP to STL?
Among qualifying ECP-to-STL departure window results, Early morning had the highest on-time rate: 94.0% of 50 flights. Evening was lowest at 66.2% across 77 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 50 | 94.0% | 6.0% | 0.0% |
| Afternoon | 152 | 77.6% | 17.1% | 0.0% |
| Evening | 77 | 66.2% | 26.0% | 0.0% |
Which weekday was most reliable for ECP to STL?
Among qualifying ECP-to-STL weekday results, Tuesday had the highest on-time rate: 94.3% of 35 flights. Friday was lowest at 60.0% across 35 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 34 | 64.7% | 29.4% | 0.0% |
| Tuesday | 35 | 94.3% | 2.9% | 0.0% |
| Wednesday | 34 | 88.2% | 11.8% | 0.0% |
| Thursday | 35 | 82.9% | 8.6% | 0.0% |
| Friday | 35 | 60.0% | 34.3% | 0.0% |
| Saturday | 93 | 80.6% | 11.8% | 0.0% |
| Sunday | 51 | 72.5% | 19.6% | 0.0% |
Which airline was most reliable for ECP to STL?
Only Southwest Airlines met the ECP-to-STL airline threshold: 77.9% of 317 scheduled flights arrived on time during July 2025–June 2026.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 317 | 77.9% | 16.1% | 0.0% |
Which month was most reliable for ECP to STL?
Among qualifying ECP-to-STL month results, September 2025 had the highest on-time rate: 88.2% of 34 flights. June 2026 was lowest at 69.6% across 46 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 47 | 78.7% | 14.9% | 0.0% |
| August 2025 | 39 | 76.9% | 23.1% | 0.0% |
| September 2025 | 34 | 88.2% | 8.8% | 0.0% |
| October 2025 | 31 | 77.4% | 9.7% | 0.0% |
| March 2026 | 35 | 80.0% | 14.3% | 0.0% |
| April 2026 | 38 | 73.7% | 21.1% | 0.0% |
| May 2026 | 41 | 78.0% | 9.8% | 0.0% |
| June 2026 | 46 | 69.6% | 26.1% | 0.0% |
What drove ECP to STL delay minutes?
Late aircraft was the largest recorded ECP-to-STL delay category, accounting for 70.4% of 3,808 BTS-attributed delay minutes during July 2025–June 2026.
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