Flight OddsUA4543 ORD → ROC
United Airlines · Chicago, IL to Rochester, NY · 9 flights observed, 2026-03-29 to 2026-04-25 · 528 mi
UA4543 covers more than one route in the data window — the stats below are for ORD → ROC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
-10 min
90th percentile
+215 min
Cancellation rate
11%
How often is UA4543 on time?
Across 9 flights on ORD → ROC from 2026-03-29 to 2026-04-25, UA4543 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +215 min or later. 11% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 6 | 75% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 25% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 100% | -8 min |
| 2026-04 | 5 | 60% | +79 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 1 | 100% |
| Tue | 1 | 100% |
| Wed | 1 | 0% |
| Thu | 1 | 0% |
| Fri | 1 | 100% |
| Sat | 1 | 100% |
| Sun | 2 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…