Flight OddsORD → SEA United Airlines
United Airlines · Chicago, IL to Seattle, WA · 1,535 flights, 2025-07-01 to 2026-06-30 · aggregated across 28 flight numbers
On-time arrival
75%
Median delay
-1 min
90th percentile
+47 min
Cancellation rate
1%
How on-time is United Airlines from ORD to SEA?
Across every United Airlines flight number on ORD → SEA (1,535 flights, 2025-07-01 to 2026-06-30), 75% arrived within 15 minutes of schedule. Median arrival delay -1 min; the worst 10% ran +47 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,143 | 75% |
| 16-30 min | 162 | 11% |
| 31-60 min | 107 | 7% |
| 61-120 min | 65 | 4% |
| 2+ hrs | 45 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 183 | 66% | +18 min |
| 2025-08 | 168 | 75% | +11 min |
| 2025-09 | 142 | 87% | -4 min |
| 2025-10 | 136 | 84% | -1 min |
| 2025-11 | 107 | 67% | +17 min |
| 2025-12 | 91 | 55% | +32 min |
| 2026-01 | 89 | 79% | +11 min |
| 2026-02 | 82 | 85% | -3 min |
| 2026-03 | 94 | 61% | +26 min |
| 2026-04 | 132 | 82% | +6 min |
| 2026-05 | 149 | 72% | +6 min |
| 2026-06 | 149 | 83% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 228 | 72% |
| Tue | 221 | 77% |
| Wed | 215 | 76% |
| Thu | 222 | 77% |
| Fri | 220 | 75% |
| Sat | 196 | 74% |
| Sun | 220 | 74% |
UA flight numbers on ORD → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…