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(UA) United Airlines 3500 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
88%
Late
2
8%
Very Late
0
0%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
5
Codeshares
25
Average Delay (min.)
42.8
Standard Deviation
65.2
Min
0
Max
159

UA 3500 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 88%
Average Delay Time 42.8 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 66% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 42.8 min
This flight has an average delay of 42.8 minutes with a standard deviation of 65.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

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