AS677 SEA → RDU
Alaska Airlines · Seattle, WA to Raleigh/Durham, NC · 87 flights observed, 2025-11-21 to 2026-06-30 · 2,354 mi
AS677 covers more than one route in the data window — the stats below are for SEA → RDU, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
-10 min
90th percentile
+19 min
Cancellation rate
0%
How often is AS677 on time?
Across 87 flights on SEA → RDU from 2025-11-21 to 2026-06-30, AS677 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +19 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 77 | 89% |
| 16-30 min | 4 | 5% |
| 31-60 min | 4 | 5% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 9 | 67% | +8 min |
| 2025-12 | 11 | 82% | +0 min |
| 2026-01 | 4 | 75% | +0 min |
| 2026-03 | 9 | 78% | 0 min |
| 2026-04 | 21 | 90% | -7 min |
| 2026-05 | 12 | 100% | -15 min |
| 2026-06 | 21 | 100% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 15 | 93% |
| Tue | 10 | 90% |
| Wed | 7 | 100% |
| Thu | 12 | 83% |
| Fri | 11 | 91% |
| Sat | 16 | 81% |
| Sun | 16 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…