Flight OddsUA2131 SEA → IAD
United Airlines · Seattle, WA to Washington, DC · 64 flights observed, 2025-09-25 to 2026-06-30 · 2,305 mi
UA2131 covers more than one route in the data window — the stats below are for SEA → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
95%
Median delay
-17 min
90th percentile
+5 min
Cancellation rate
0%
How often is UA2131 on time?
Across 64 flights on SEA → IAD from 2025-09-25 to 2026-06-30, UA2131 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +5 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 | 61 | 95% |
| 16-30 min | 2 | 3% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 5 | 100% | -14 min |
| 2025-10 | 18 | 100% | -24 min |
| 2026-05 | 11 | 91% | -5 min |
| 2026-06 | 30 | 93% | -16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 100% |
| Tue | 6 | 83% |
| Wed | 5 | 100% |
| Thu | 11 | 82% |
| Fri | 11 | 100% |
| Sat | 11 | 100% |
| Sun | 10 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…