Flight OddsAS477 SEA → EWR
Alaska Airlines · Seattle, WA to Newark, NJ · 343 flights observed, 2025-07-01 to 2026-06-30 · 2,402 mi
On-time arrival
73%
Median delay
-3 min
90th percentile
+62 min
Cancellation rate
3%
How often is AS477 on time?
Across 343 flights on SEA → EWR from 2025-07-01 to 2026-06-30, AS477 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +62 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 243 | 73% |
| 16-30 min | 31 | 9% |
| 31-60 min | 22 | 7% |
| 61-120 min | 25 | 8% |
| 2+ hrs | 10 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 39% | +40 min |
| 2025-08 | 30 | 60% | +24 min |
| 2025-09 | 30 | 83% | +2 min |
| 2025-10 | 29 | 52% | +22 min |
| 2025-11 | 27 | 70% | +14 min |
| 2025-12 | 31 | 71% | +10 min |
| 2026-01 | 30 | 80% | +4 min |
| 2026-02 | 26 | 85% | -5 min |
| 2026-03 | 31 | 84% | +1 min |
| 2026-04 | 21 | 95% | -23 min |
| 2026-05 | 19 | 89% | -7 min |
| 2026-06 | 29 | 83% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 48 | 75% |
| Tue | 50 | 80% |
| Wed | 47 | 83% |
| Thu | 47 | 68% |
| Fri | 48 | 71% |
| Sat | 48 | 65% |
| Sun | 43 | 72% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…