Flight OddsUA4250 IAD → MDT
United Airlines · Washington, DC to Harrisburg, PA · 213 flights observed, 2025-07-01 to 2026-06-30 · 93 mi
UA4250 covers more than one route in the data window — the stats below are for IAD → MDT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
-8 min
90th percentile
+73 min
Cancellation rate
4%
How often is UA4250 on time?
Across 213 flights on IAD → MDT from 2025-07-01 to 2026-06-30, UA4250 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +73 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 | 164 | 80% |
| 16-30 min | 7 | 3% |
| 31-60 min | 8 | 4% |
| 61-120 min | 14 | 7% |
| 2+ hrs | 11 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 77% | +12 min |
| 2025-08 | 31 | 71% | +30 min |
| 2025-09 | 30 | 97% | -9 min |
| 2025-10 | 24 | 96% | -9 min |
| 2025-12 | 13 | 46% | +117 min |
| 2026-01 | 28 | 82% | +6 min |
| 2026-02 | 11 | 73% | +10 min |
| 2026-05 | 11 | 91% | -3 min |
| 2026-06 | 30 | 77% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 28 | 82% |
| Tue | 30 | 87% |
| Wed | 30 | 77% |
| Thu | 30 | 80% |
| Fri | 30 | 80% |
| Sat | 28 | 82% |
| Sun | 28 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…