Flight OddsUA4591 DCA → EWR
United Airlines · Washington, DC to Newark, NJ · 287 flights observed, 2025-07-01 to 2026-05-20 · 199 mi
UA4591 covers more than one route in the data window — the stats below are for DCA → EWR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
-9 min
90th percentile
+40 min
Cancellation rate
3%
How often is UA4591 on time?
Across 287 flights on DCA → EWR from 2025-07-01 to 2026-05-20, UA4591 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +40 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 223 | 80% |
| 16-30 min | 19 | 7% |
| 31-60 min | 16 | 6% |
| 61-120 min | 10 | 4% |
| 2+ hrs | 11 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 27 | 74% | +7 min |
| 2025-08 | 26 | 81% | +3 min |
| 2025-09 | 26 | 73% | +9 min |
| 2025-10 | 26 | 65% | +29 min |
| 2025-11 | 27 | 67% | +25 min |
| 2025-12 | 22 | 82% | +9 min |
| 2026-01 | 26 | 88% | -7 min |
| 2026-02 | 25 | 92% | +8 min |
| 2026-03 | 31 | 84% | +2 min |
| 2026-04 | 26 | 85% | +4 min |
| 2026-05 | 17 | 94% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 42 | 76% |
| Tue | 45 | 78% |
| Wed | 43 | 88% |
| Thu | 42 | 81% |
| Fri | 44 | 75% |
| Sat | 20 | 90% |
| Sun | 43 | 77% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…