Flight OddsUA4337 PHL → IAD
United Airlines · Philadelphia, PA to Washington, DC · 5 flights observed, 2026-01-10 to 2026-02-07 · 135 mi
UA4337 covers more than one route in the data window — the stats below are for PHL → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
60%
Median delay
+11 min
90th percentile
+244 min
Cancellation rate
0%
How often is UA4337 on time?
Across 5 flights on PHL → IAD from 2026-01-10 to 2026-02-07, UA4337 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +244 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 | 3 | 60% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 40% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 4 | 75% | +52 min |
| 2026-02 | 1 | 0% | +251 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 | 60% |
| 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…