Flight OddsUA228 BUF → ORD
United Airlines · Buffalo, NY to Chicago, IL · 37 flights observed, 2026-01-06 to 2026-02-11 · 474 mi
On-time arrival
72%
Median delay
+2 min
90th percentile
+104 min
Cancellation rate
3%
How often is UA228 on time?
Across 37 flights on BUF → ORD from 2026-01-06 to 2026-02-11, UA228 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +104 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 | 26 | 72% |
| 16-30 min | 4 | 11% |
| 31-60 min | 1 | 3% |
| 61-120 min | 2 | 6% |
| 2+ hrs | 3 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 25 | 64% | +22 min |
| 2026-02 | 11 | 91% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 6 | 67% |
| Wed | 6 | 83% |
| Thu | 5 | 60% |
| Fri | 5 | 80% |
| Sat | 5 | 60% |
| Sun | 5 | 60% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…