Which departure time was most reliable for OKC to SEA?
Among qualifying OKC-to-SEA departure window results, Early morning had the highest on-time rate: 93.0% of 57 flights. Afternoon was lowest at 83.1% across 354 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 57 | 93.0% | 3.5% | 0.0% |
| Afternoon | 354 | 83.1% | 5.9% | 0.6% |
Which weekday was most reliable for OKC to SEA?
Among qualifying OKC-to-SEA weekday results, Monday had the highest on-time rate: 90.0% of 60 flights. Sunday was lowest at 75.0% across 60 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 60 | 90.0% | 3.3% | 0.0% |
| Tuesday | 56 | 80.4% | 7.1% | 0.0% |
| Wednesday | 61 | 88.5% | 4.9% | 0.0% |
| Thursday | 59 | 86.4% | 6.8% | 0.0% |
| Friday | 60 | 81.7% | 8.3% | 1.7% |
| Saturday | 55 | 89.1% | 5.5% | 0.0% |
| Sunday | 60 | 75.0% | 3.3% | 1.7% |
Which airline was most reliable for OKC to SEA?
Only Alaska Airlines met the OKC-to-SEA airline threshold: 84.4% of 411 scheduled flights arrived on time during July 2025–June 2026.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 411 | 84.4% | 5.6% | 0.5% |
Which month was most reliable for OKC to SEA?
Among qualifying OKC-to-SEA month results, May 2026 had the highest on-time rate: 96.8% of 31 flights. December 2025 was lowest at 71.0% across 31 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 47 | 72.3% | 17.0% | 0.0% |
| August 2025 | 51 | 80.4% | 7.8% | 2.0% |
| September 2025 | 30 | 83.3% | 3.3% | 0.0% |
| October 2025 | 31 | 83.9% | 0.0% | 0.0% |
| November 2025 | 29 | 86.2% | 0.0% | 0.0% |
| December 2025 | 31 | 71.0% | 9.7% | 0.0% |
| January 2026 | 24 | 87.5% | 8.3% | 4.2% |
| February 2026 | 25 | 92.0% | 0.0% | 0.0% |
| March 2026 | 31 | 87.1% | 3.2% | 0.0% |
| April 2026 | 30 | 93.3% | 0.0% | 0.0% |
| May 2026 | 31 | 96.8% | 3.2% | 0.0% |
| June 2026 | 51 | 88.2% | 5.9% | 0.0% |
What drove OKC to SEA delay minutes?
Late aircraft was the largest recorded OKC-to-SEA delay category, accounting for 39.6% of 2,522 BTS-attributed delay minutes during July 2025–June 2026.
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