UA2101 IAD → SEA
United Airlines · Washington, DC to Seattle, WA · 51 flights observed, 2026-04-30 to 2026-06-30 · 2,305 mi
UA2101 covers more than one route in the data window — the stats below are for IAD → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
92%
Median delay
-14 min
90th percentile
+8 min
Cancellation rate
0%
How often is UA2101 on time?
Across 51 flights on IAD → SEA from 2026-04-30 to 2026-06-30, UA2101 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +8 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 | 47 | 92% |
| 16-30 min | 2 | 4% |
| 31-60 min | 1 | 2% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 1 | 100% | -40 min |
| 2026-05 | 28 | 89% | -9 min |
| 2026-06 | 22 | 95% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 100% |
| Tue | 4 | 100% |
| Wed | 3 | 100% |
| Thu | 9 | 89% |
| Fri | 9 | 89% |
| Sat | 9 | 89% |
| Sun | 8 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…