Flight OddsUA1400 ORD → SEA
United Airlines · Chicago, IL to Seattle, WA · 15 flights observed, 2026-04-30 to 2026-05-20 · 1,721 mi
UA1400 covers more than one route in the data window — the stats below are for ORD → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
47%
Median delay
+16 min
90th percentile
+160 min
Cancellation rate
0%
How often is UA1400 on time?
Across 15 flights on ORD → SEA from 2026-04-30 to 2026-05-20, UA1400 arrived within 15 minutes of schedule 47% of the time. The median arrival delay was +16 min, and the worst 10% of flights arrived +160 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 | 7 | 47% |
| 16-30 min | 2 | 13% |
| 31-60 min | 3 | 20% |
| 61-120 min | 1 | 7% |
| 2+ hrs | 2 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 1 | 100% | -3 min |
| 2026-05 | 14 | 43% | +52 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 33% |
| Tue | No data | — |
| Wed | 3 | 33% |
| Thu | 3 | 67% |
| Fri | 3 | 33% |
| Sat | No data | — |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…