Flight OddsUA3577 PIT → ORD
United Airlines · Pittsburgh, PA to Chicago, IL · 165 flights observed, 2025-07-01 to 2026-06-24 · 413 mi
UA3577 covers more than one route in the data window — the stats below are for PIT → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-13 min
90th percentile
+38 min
Cancellation rate
5%
How often is UA3577 on time?
Across 165 flights on PIT → ORD from 2025-07-01 to 2026-06-24, UA3577 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +38 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 130 | 83% |
| 16-30 min | 7 | 4% |
| 31-60 min | 7 | 4% |
| 61-120 min | 3 | 2% |
| 2+ hrs | 9 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 25 | 60% | +41 min |
| 2025-08 | 27 | 96% | -9 min |
| 2025-09 | 29 | 90% | -9 min |
| 2025-10 | 30 | 93% | -10 min |
| 2025-11 | 19 | 84% | +3 min |
| 2025-12 | 1 | 0% | +41 min |
| 2026-05 | 8 | 100% | -2 min |
| 2026-06 | 17 | 65% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 87% |
| Tue | 22 | 77% |
| Wed | 25 | 80% |
| Thu | 24 | 83% |
| Fri | 27 | 93% |
| Sat | 17 | 82% |
| Sun | 18 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…