Flight OddsIAD → MDT United Airlines
United Airlines · Washington, DC to Harrisburg, PA · 1,090 flights, 2025-07-01 to 2026-06-30 · aggregated across 10 flight numbers
On-time arrival
82%
Median delay
-8 min
90th percentile
+48 min
Cancellation rate
2%
How on-time is United Airlines from IAD to MDT?
Across every United Airlines flight number on IAD → MDT (1,090 flights, 2025-07-01 to 2026-06-30), 82% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +48 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 879 | 82% |
| 16-30 min | 56 | 5% |
| 31-60 min | 41 | 4% |
| 61-120 min | 46 | 4% |
| 2+ hrs | 47 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 95 | 72% | +25 min |
| 2025-08 | 93 | 83% | +9 min |
| 2025-09 | 78 | 95% | -8 min |
| 2025-10 | 92 | 91% | -3 min |
| 2025-11 | 78 | 72% | +25 min |
| 2025-12 | 87 | 69% | +43 min |
| 2026-01 | 81 | 74% | +22 min |
| 2026-02 | 79 | 80% | +6 min |
| 2026-03 | 92 | 86% | +11 min |
| 2026-04 | 90 | 91% | -5 min |
| 2026-05 | 94 | 87% | +4 min |
| 2026-06 | 110 | 85% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 153 | 80% |
| Tue | 156 | 84% |
| Wed | 153 | 83% |
| Thu | 165 | 84% |
| Fri | 163 | 80% |
| Sat | 133 | 83% |
| Sun | 146 | 81% |
UA flight numbers on IAD → MDT
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…