Flight OddsUA4557 DTW → IAD
United Airlines · Detroit, MI to Washington, DC · 10 flights observed, 2026-01-10 to 2026-02-08 · 383 mi
UA4557 covers more than one route in the data window — the stats below are for DTW → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
56%
Median delay
+10 min
90th percentile
+143 min
Cancellation rate
10%
How often is UA4557 on time?
Across 10 flights on DTW → IAD from 2026-01-10 to 2026-02-08, UA4557 arrived within 15 minutes of schedule 56% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +143 min or later. 10% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 5 | 56% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 3 | 33% |
| 2+ hrs | 1 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 6 | 50% | +83 min |
| 2026-02 | 3 | 67% | +16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 5 | 40% |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…