Flight OddsUA3433 BUF → ORD
United Airlines · Buffalo, NY to Chicago, IL · 23 flights observed, 2026-03-05 to 2026-04-06 · 474 mi
UA3433 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
60%
Median delay
+7 min
90th percentile
+149 min
Cancellation rate
13%
How often is UA3433 on time?
Across 23 flights on BUF → ORD from 2026-03-05 to 2026-04-06, UA3433 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +149 min or later. 13% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 12 | 60% |
| 16-30 min | 4 | 20% |
| 31-60 min | 1 | 5% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 3 | 15% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 17 | 65% | +45 min |
| 2026-04 | 3 | 33% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 3 | 0% |
| Wed | 4 | 75% |
| Thu | 4 | 75% |
| Fri | 4 | 50% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…