UA4250 GSO → IAD

United Airlines · Greensboro/High Point, NC to Washington, DC · 6 flights observed, 2026-05-05 to 2026-05-20 · 239 mi

UA4250 covers more than one route in the data window — the stats below are for GSO → IAD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
83%
Median delay
-6 min
90th percentile
+145 min
Cancellation rate
0%

How often is UA4250 on time?

Across 6 flights on GSO → IAD from 2026-05-05 to 2026-05-20, UA4250 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +145 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time583%
16-30 min00%
31-60 min00%
61-120 min00%
2+ hrs117%

Performance by month

MonthFlightsOn-timeAvg delay
2026-05683%+41 min

Performance by day of week

DayFlightsOn-time
MonNo data—
Tue3100%
Wed367%
ThuNo data—
FriNo data—
SatNo data—
SunNo data—

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