UA4007 IAD → DTW

United Airlines · Washington, DC to Detroit, MI · 15 flights observed, 2025-12-02 to 2025-12-16 · 383 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is +1 min, while the worst 10% run +92 min or later.

UA4007 covers more than one route in the data window — the stats below are for IAD → DTW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
73%
Median delay
+1 min
90th percentile
+92 min
Cancellation rate
0%

How often is UA4007 on time?

Across 15 flights on IAD → DTW from 2025-12-02 to 2025-12-16, UA4007 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +92 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1173%
16-30 min17%
31-60 min17%
61-120 min00%
2+ hrs213%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121573%+22 min

Performance by day of week

DayFlightsOn-time
Mon250%
Tue3100%
Wed2100%
Thu2100%
Fri250%
Sat250%
Sun250%

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