ORD → SEA Alaska Airlines
Alaska Airlines · Chicago, IL to Seattle, WA · 1,799 flights, 2025-07-01 to 2026-06-30 · aggregated across 22 flight numbers
On-time arrival
68%
Median delay
+1 min
90th percentile
+58 min
Cancellation rate
2%
How on-time is Alaska Airlines from ORD to SEA?
Across every Alaska Airlines flight number on ORD → SEA (1,799 flights, 2025-07-01 to 2026-06-30), 68% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +58 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,204 | 68% |
| 16-30 min | 209 | 12% |
| 31-60 min | 179 | 10% |
| 61-120 min | 113 | 6% |
| 2+ hrs | 59 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 208 | 65% | +14 min |
| 2025-08 | 197 | 70% | +9 min |
| 2025-09 | 176 | 81% | +3 min |
| 2025-10 | 149 | 64% | +14 min |
| 2025-11 | 115 | 57% | +34 min |
| 2025-12 | 136 | 49% | +27 min |
| 2026-01 | 97 | 65% | +20 min |
| 2026-02 | 91 | 82% | -2 min |
| 2026-03 | 111 | 59% | +36 min |
| 2026-04 | 124 | 77% | +10 min |
| 2026-05 | 172 | 81% | +2 min |
| 2026-06 | 188 | 64% | +19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 263 | 68% |
| Tue | 256 | 68% |
| Wed | 246 | 71% |
| Thu | 257 | 68% |
| Fri | 262 | 66% |
| Sat | 229 | 71% |
| Sun | 251 | 66% |
AS flight numbers on ORD → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…