UA4865 IAD → GSO

United Airlines · Washington, DC to Greensboro/High Point, NC · 217 flights observed, 2025-07-01 to 2026-03-28 · 239 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -6 min, while the worst 10% run +59 min or later.

UA4865 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
77%
Median delay
-6 min
90th percentile
+59 min
Cancellation rate
3%

How often is UA4865 on time?

Across 217 flights on IAD → GSO from 2025-07-01 to 2026-03-28, UA4865 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +59 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time16377%
16-30 min136%
31-60 min168%
61-120 min84%
2+ hrs115%

Performance by month

MonthFlightsOn-timeAvg delay
2025-071656%+30 min
2025-082383%-2 min
2025-093080%+4 min
2025-103087%+2 min
2025-112483%+5 min
2025-121741%+35 min
2026-012080%+3 min
2026-022483%+4 min
2026-032781%+54 min

Performance by day of week

DayFlightsOn-time
Mon3479%
Tue3681%
Wed2986%
Thu3482%
Fri3067%
Sat2181%
Sun2763%

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