Flight OddsUA4541 IAD → PHL
United Airlines · Washington, DC to Philadelphia, PA · 34 flights observed, 2025-12-18 to 2026-06-24 · 135 mi
UA4541 covers more than one route in the data window — the stats below are for IAD → PHL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-9 min
90th percentile
+27 min
Cancellation rate
0%
How often is UA4541 on time?
Across 34 flights on IAD → PHL from 2025-12-18 to 2026-06-24, UA4541 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +27 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 | 29 | 85% |
| 16-30 min | 3 | 9% |
| 31-60 min | 1 | 3% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 14 | 71% | +4 min |
| 2026-01 | 5 | 80% | +2 min |
| 2026-06 | 15 | 100% | -11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 100% |
| Tue | 6 | 83% |
| Wed | 6 | 100% |
| Thu | 6 | 83% |
| Fri | 3 | 33% |
| Sat | 3 | 100% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…