Flight OddsUA4172 EWR → DCA
United Airlines · Newark, NJ to Washington, DC · 328 flights observed, 2025-07-01 to 2026-06-30 · 199 mi
UA4172 covers more than one route in the data window — the stats below are for EWR → DCA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
73%
Median delay
-10 min
90th percentile
+79 min
Cancellation rate
3%
How often is UA4172 on time?
Across 328 flights on EWR → DCA from 2025-07-01 to 2026-06-30, UA4172 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +79 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 | 230 | 73% |
| 16-30 min | 21 | 7% |
| 31-60 min | 21 | 7% |
| 61-120 min | 23 | 7% |
| 2+ hrs | 21 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 76% | +41 min |
| 2025-08 | 29 | 83% | +12 min |
| 2025-09 | 21 | 81% | +4 min |
| 2025-10 | 6 | 17% | +38 min |
| 2025-11 | 27 | 67% | +16 min |
| 2025-12 | 28 | 71% | +16 min |
| 2026-01 | 29 | 72% | +3 min |
| 2026-02 | 26 | 46% | +33 min |
| 2026-03 | 30 | 77% | +23 min |
| 2026-04 | 30 | 90% | -2 min |
| 2026-05 | 31 | 71% | +8 min |
| 2026-06 | 30 | 77% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 44 | 75% |
| Tue | 48 | 71% |
| Wed | 48 | 77% |
| Thu | 47 | 68% |
| Fri | 47 | 68% |
| Sat | 37 | 78% |
| Sun | 45 | 73% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…