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(UA) United Airlines 3909 On-Time Performance Rating

Date Range:

15-Sep-2021 to 15-Nov-2021

(IAD) Washington Dulles International Airport

Dulles, VA, US

(GRR) Gerald R. Ford International Airport

Grand Rapids, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
85%
Late
2
4%
Very Late
0
0%
Excessive
5
11%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
46
Total Delays ( > 1 min )
11
Codeshares
46
Average Delay (min.)
38
Standard Deviation
38
Min
0
Max
120

UA 3909 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 85%
Average Delay Time 38 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 50% of all other flights in the FlightStats database.
On-Time Performance Rating
3.9 of 5
Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 79% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 38 min
This flight has an average delay of 38 minutes with a standard deviation of 38 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.