UA777 ROC → ORD

United Airlines · Rochester, NY to Chicago, IL · 36 flights observed, 2025-10-26 to 2025-12-01 · 528 mi

This flight has been on time less than half the time (46%) — expect a real chance of a delay.

UA777 covers more than one route in the data window — the stats below are for ROC → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
46%
Median delay
+19 min
90th percentile
+116 min
Cancellation rate
3%

How often is UA777 on time?

Across 36 flights on ROC → ORD from 2025-10-26 to 2025-12-01, UA777 arrived within 15 minutes of schedule 46% of the time. The median arrival delay was +19 min, and the worst 10% of flights arrived +116 min or later. 3% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1646%
16-30 min617%
31-60 min514%
61-120 min411%
2+ hrs411%

Performance by month

MonthFlightsOn-timeAvg delay
2025-10617%+50 min
2025-112854%+46 min
2025-1210%+48 min

Performance by day of week

DayFlightsOn-time
Mon617%
Tue580%
Wed540%
Thu450%
Fri540%
Sat475%
Sun633%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…