UA1997 IAD → EWR
United Airlines · Washington, DC to Newark, NJ · 271 flights observed, 2025-07-01 to 2026-06-30 · 212 mi
UA1997 covers more than one route in the data window — the stats below are for IAD → EWR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-4 min
90th percentile
+58 min
Cancellation rate
4%
How often is UA1997 on time?
Across 271 flights on IAD → EWR from 2025-07-01 to 2026-06-30, UA1997 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +58 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 | 200 | 77% |
| 16-30 min | 17 | 7% |
| 31-60 min | 20 | 8% |
| 61-120 min | 9 | 3% |
| 2+ hrs | 15 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 46% | +62 min |
| 2025-08 | 31 | 68% | +14 min |
| 2025-09 | 24 | 79% | +4 min |
| 2025-10 | 6 | 67% | +30 min |
| 2025-11 | 28 | 71% | +12 min |
| 2025-12 | 1 | 0% | +39 min |
| 2026-01 | 24 | 88% | -7 min |
| 2026-02 | 11 | 91% | -12 min |
| 2026-03 | 26 | 69% | +16 min |
| 2026-04 | 30 | 97% | -3 min |
| 2026-05 | 28 | 93% | -1 min |
| 2026-06 | 24 | 79% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 39 | 79% |
| Tue | 41 | 85% |
| Wed | 37 | 68% |
| Thu | 36 | 69% |
| Fri | 39 | 77% |
| Sat | 32 | 72% |
| Sun | 37 | 84% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…