Flight OddsAS508 SEA → CVG
Alaska Airlines · Seattle, WA to Cincinnati, OH · 361 flights observed, 2025-07-01 to 2026-06-30 · 1,965 mi
AS508 covers more than one route in the data window — the stats below are for SEA → CVG, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
-8 min
90th percentile
+30 min
Cancellation rate
1%
How often is AS508 on time?
Across 361 flights on SEA → CVG from 2025-07-01 to 2026-06-30, AS508 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +30 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 284 | 80% |
| 16-30 min | 36 | 10% |
| 31-60 min | 22 | 6% |
| 61-120 min | 8 | 2% |
| 2+ hrs | 5 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 63% | +19 min |
| 2025-08 | 30 | 73% | +11 min |
| 2025-09 | 30 | 87% | -3 min |
| 2025-10 | 30 | 90% | -5 min |
| 2025-11 | 29 | 83% | -6 min |
| 2025-12 | 29 | 69% | +4 min |
| 2026-01 | 29 | 76% | -2 min |
| 2026-02 | 28 | 89% | -16 min |
| 2026-03 | 29 | 83% | -7 min |
| 2026-04 | 30 | 80% | -2 min |
| 2026-05 | 31 | 84% | -6 min |
| 2026-06 | 30 | 83% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 76% |
| Tue | 52 | 81% |
| Wed | 52 | 88% |
| Thu | 51 | 82% |
| Fri | 50 | 80% |
| Sat | 49 | 84% |
| Sun | 50 | 68% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…