Flight OddsUA3643 ORD → PIT
United Airlines · Chicago, IL to Pittsburgh, PA · 23 flights observed, 2025-09-02 to 2025-09-24 · 413 mi
UA3643 covers more than one route in the data window — the stats below are for ORD → PIT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
96%
Median delay
-13 min
90th percentile
+2 min
Cancellation rate
0%
How often is UA3643 on time?
Across 23 flights on ORD → PIT from 2025-09-02 to 2025-09-24, UA3643 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +2 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 22 | 96% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 23 | 96% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 4 | 100% |
| Wed | 4 | 100% |
| Thu | 3 | 100% |
| Fri | 3 | 100% |
| Sat | 3 | 67% |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…