UA2101 SEA → ORD
United Airlines · Seattle, WA to Chicago, IL · 55 flights observed, 2026-03-29 to 2026-06-30 · 1,721 mi
UA2101 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
75%
Median delay
-1 min
90th percentile
+56 min
Cancellation rate
0%
How often is UA2101 on time?
Across 55 flights on SEA → ORD from 2026-03-29 to 2026-06-30, UA2101 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +56 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 | 41 | 75% |
| 16-30 min | 6 | 11% |
| 31-60 min | 3 | 5% |
| 61-120 min | 3 | 5% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 67% | +18 min |
| 2026-04 | 26 | 65% | +23 min |
| 2026-05 | 20 | 90% | -1 min |
| 2026-06 | 6 | 67% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 78% |
| Tue | 9 | 78% |
| Wed | 8 | 75% |
| Thu | 8 | 75% |
| Fri | 8 | 50% |
| Sat | 4 | 100% |
| Sun | 9 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…