Flight OddsUA2747 BUF → ORD
United Airlines · Buffalo, NY to Chicago, IL · 39 flights observed, 2026-05-21 to 2026-06-30 · 474 mi
UA2747 covers more than one route in the data window — the stats below are for BUF → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
66%
Median delay
+9 min
90th percentile
+162 min
Cancellation rate
3%
How often is UA2747 on time?
Across 39 flights on BUF → ORD from 2026-05-21 to 2026-06-30, UA2747 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +162 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 25 | 66% |
| 16-30 min | 5 | 13% |
| 31-60 min | 1 | 3% |
| 61-120 min | 2 | 5% |
| 2+ hrs | 5 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 9 | 89% | +1 min |
| 2026-06 | 29 | 59% | +49 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 67% |
| Tue | 6 | 67% |
| Wed | 5 | 40% |
| Thu | 5 | 60% |
| Fri | 6 | 100% |
| Sat | 4 | 100% |
| Sun | 6 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…