Flight OddsUA3579 PIT → IAD
United Airlines · Pittsburgh, PA to Washington, DC · 157 flights observed, 2025-07-01 to 2026-02-11 · 182 mi
UA3579 covers more than one route in the data window — the stats below are for PIT → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-9 min
90th percentile
+36 min
Cancellation rate
2%
How often is UA3579 on time?
Across 157 flights on PIT → IAD from 2025-07-01 to 2026-02-11, UA3579 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +36 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 118 | 77% |
| 16-30 min | 19 | 12% |
| 31-60 min | 7 | 5% |
| 61-120 min | 7 | 5% |
| 2+ hrs | 3 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 25 | 56% | +28 min |
| 2025-08 | 28 | 75% | +8 min |
| 2025-09 | 24 | 83% | -1 min |
| 2025-10 | 6 | 83% | -2 min |
| 2025-11 | 25 | 76% | -9 min |
| 2025-12 | 15 | 87% | -9 min |
| 2026-01 | 21 | 86% | -3 min |
| 2026-02 | 10 | 80% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 88% |
| Tue | 26 | 69% |
| Wed | 27 | 85% |
| Thu | 24 | 79% |
| Fri | 24 | 71% |
| Sat | 5 | 80% |
| Sun | 24 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…