Flight OddsUA1951 SEA → ORD
United Airlines · Seattle, WA to Chicago, IL · 77 flights observed, 2025-07-01 to 2025-10-25 · 1,721 mi
UA1951 covers more than one route in the data window — the stats below are for SEA → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
84%
Median delay
-10 min
90th percentile
+54 min
Cancellation rate
0%
How often is UA1951 on time?
Across 77 flights on SEA → ORD from 2025-07-01 to 2025-10-25, UA1951 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +54 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 | 64 | 84% |
| 16-30 min | 1 | 1% |
| 31-60 min | 4 | 5% |
| 61-120 min | 4 | 5% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 71% | +14 min |
| 2025-08 | 10 | 100% | -21 min |
| 2025-09 | 21 | 90% | 0 min |
| 2025-10 | 14 | 93% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 100% |
| Tue | 11 | 82% |
| Wed | 15 | 93% |
| Thu | 15 | 87% |
| Fri | 5 | 80% |
| Sat | 8 | 75% |
| Sun | 13 | 69% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…