Flight OddsUA4382 ORD → BUF
United Airlines · Chicago, IL to Buffalo, NY · 252 flights observed, 2025-08-19 to 2026-06-30 · 474 mi
UA4382 covers more than one route in the data window — the stats below are for ORD → BUF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
-7 min
90th percentile
+73 min
Cancellation rate
2%
How often is UA4382 on time?
Across 252 flights on ORD → BUF from 2025-08-19 to 2026-06-30, UA4382 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +73 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 | 177 | 72% |
| 16-30 min | 20 | 8% |
| 31-60 min | 15 | 6% |
| 61-120 min | 20 | 8% |
| 2+ hrs | 14 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 100% | -14 min |
| 2025-09 | 30 | 80% | +12 min |
| 2025-10 | 31 | 71% | +12 min |
| 2025-11 | 26 | 62% | +34 min |
| 2025-12 | 30 | 50% | +49 min |
| 2026-01 | 5 | 100% | -13 min |
| 2026-02 | 16 | 56% | +23 min |
| 2026-03 | 7 | 100% | -12 min |
| 2026-04 | 28 | 68% | +11 min |
| 2026-05 | 30 | 77% | +16 min |
| 2026-06 | 30 | 80% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 34 | 74% |
| Tue | 36 | 67% |
| Wed | 36 | 67% |
| Thu | 33 | 73% |
| Fri | 36 | 67% |
| Sat | 34 | 79% |
| Sun | 37 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…