Flight OddsUA747 SEA → ORD
United Airlines · Seattle, WA to Chicago, IL · 363 flights observed, 2025-07-01 to 2026-06-30 · 1,721 mi
On-time arrival
84%
Median delay
-11 min
90th percentile
+38 min
Cancellation rate
1%
How often is UA747 on time?
Across 363 flights on SEA → ORD from 2025-07-01 to 2026-06-30, UA747 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +38 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 299 | 84% |
| 16-30 min | 14 | 4% |
| 31-60 min | 19 | 5% |
| 61-120 min | 13 | 4% |
| 2+ hrs | 13 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 57% | +24 min |
| 2025-08 | 29 | 66% | +10 min |
| 2025-09 | 30 | 90% | -6 min |
| 2025-10 | 31 | 100% | -11 min |
| 2025-11 | 29 | 79% | +15 min |
| 2025-12 | 31 | 77% | +14 min |
| 2026-01 | 31 | 87% | +18 min |
| 2026-02 | 28 | 96% | -8 min |
| 2026-03 | 30 | 90% | -2 min |
| 2026-04 | 29 | 83% | -5 min |
| 2026-05 | 30 | 87% | -2 min |
| 2026-06 | 30 | 90% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 84% |
| Tue | 53 | 87% |
| Wed | 52 | 85% |
| Thu | 48 | 88% |
| Fri | 52 | 81% |
| Sat | 51 | 86% |
| Sun | 51 | 75% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…