Flight OddsUnited Airlines · Philadelphia, PA to Washington, DC · 27 flights observed, 2026-01-06 to 2026-02-11 · 135 mi
UA4383 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”.
How often is UA4383 on time?
Across 27 flights on PHL → IAD from 2026-01-06 to 2026-02-11, UA4383 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +226 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 | 17 | 65% |
| 16-30 min | 0 | 0% |
| 31-60 min | 2 | 8% |
| 61-120 min | 2 | 8% |
| 2+ hrs | 5 | 19% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 18 | 56% | +151 min |
| 2026-02 | 8 | 88% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 6 | 100% |
| Wed | 6 | 83% |
| Thu | 5 | 60% |
| Fri | 5 | 20% |
| Sat | No data | — |
| Sun | 4 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…