UA4357 ROC → IAD

United Airlines · Rochester, NY to Washington, DC · 18 flights observed, 2026-04-30 to 2026-05-20 · 287 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -15 min, while the worst 10% run +48 min or later.

UA4357 covers more than one route in the data window — the stats below are for ROC → IAD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
83%
Median delay
-15 min
90th percentile
+48 min
Cancellation rate
0%

How often is UA4357 on time?

Across 18 flights on ROC → IAD from 2026-04-30 to 2026-05-20, UA4357 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +48 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1583%
16-30 min00%
31-60 min16%
61-120 min211%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-041100%-10 min
2026-051782%-4 min

Performance by day of week

DayFlightsOn-time
Mon3100%
Tue3100%
Wed333%
Thu3100%
Fri367%
SatNo data—
Sun3100%

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