UA1635 IAD → ORF

United Airlines · Washington, DC to Norfolk, VA · 28 flights observed, 2025-07-03 to 2025-08-17 · 158 mi

This flight has been getting more reliable recently — 2025-08's on-time rate (91%) is well above the 59% average from earlier months.

UA1635 covers more than one route in the data window — the stats below are for IAD → ORF, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
+3 min
90th percentile
+81 min
Cancellation rate
0%

How often is UA1635 on time?

Across 28 flights on IAD → ORF from 2025-07-03 to 2025-08-17, UA1635 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +81 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2071%
16-30 min14%
31-60 min27%
61-120 min311%
2+ hrs27%

Performance by month

MonthFlightsOn-timeAvg delay
2025-071759%+37 min
2025-081191%+4 min

Performance by day of week

DayFlightsOn-time
MonNo data—
TueNo data—
WedNo data—
Thu757%
Fri786%
Sat771%
Sun771%

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