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(UA) United Airlines 3621 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
56%
Late
2
13%
Very Late
2
13%
Excessive
1
6%
Cancelled
2
13%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
16
Total Delays ( > 1 min )
9
Codeshares
16
Average Delay (min.)
24.333333333333332
Standard Deviation
16.3
Min
0
Max
52

UA 3621 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 56%
Average Delay Time 24.333333333333332 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 56%
This flight has an on-time performance of 56%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 3% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 24.333333333333332 min
This flight has an average delay of 24.333333333333332 minutes with a standard deviation of 16.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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