Flight OddsUA2340 SEA → ORD
United Airlines · Seattle, WA to Chicago, IL · 32 flights observed, 2026-01-06 to 2026-02-11 · 1,721 mi
UA2340 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
77%
Median delay
+3 min
90th percentile
+31 min
Cancellation rate
3%
How often is UA2340 on time?
Across 32 flights on SEA → ORD from 2026-01-06 to 2026-02-11, UA2340 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +31 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 24 | 77% |
| 16-30 min | 3 | 10% |
| 31-60 min | 2 | 6% |
| 61-120 min | 2 | 6% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 22 | 77% | +12 min |
| 2026-02 | 9 | 78% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 6 | 100% |
| Wed | 5 | 80% |
| Thu | 5 | 100% |
| Fri | 5 | 60% |
| Sat | No data | — |
| Sun | 5 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…