UA4310 IAD → GSO

United Airlines · Washington, DC to Greensboro/High Point, NC · 8 flights observed, 2026-05-05 to 2026-05-20 · 239 mi

UA4310 covers more than one route in the data window — the stats below are for IAD → GSO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
100%
Median delay
-20 min
90th percentile
-2 min
Cancellation rate
0%

How often is UA4310 on time?

Across 8 flights on IAD → GSO from 2026-05-05 to 2026-05-20, UA4310 arrived within 15 minutes of schedule 100% of the time. The median arrival delay was -20 min, and the worst 10% of flights arrived -2 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time8100%
16-30 min00%
31-60 min00%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-058100%-18 min

Performance by day of week

DayFlightsOn-time
MonNo data—
Tue3100%
Wed3100%
Thu2100%
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…