Flight OddsUA4557 IAD → ORF
United Airlines · Washington, DC to Norfolk, VA · 26 flights observed, 2026-01-06 to 2026-02-11 · 158 mi
UA4557 covers more than one route in the data window — the stats below are for IAD → ORF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
-18 min
90th percentile
+139 min
Cancellation rate
4%
How often is UA4557 on time?
Across 26 flights on IAD → ORF from 2026-01-06 to 2026-02-11, UA4557 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -18 min, and the worst 10% of flights arrived +139 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 18 | 72% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 4% |
| 61-120 min | 3 | 12% |
| 2+ hrs | 3 | 12% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 18 | 67% | +30 min |
| 2026-02 | 7 | 86% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | 6 | 83% |
| Wed | 5 | 80% |
| Thu | 5 | 80% |
| Fri | 5 | 60% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…