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(UA) United Airlines 4321 On-Time Performance Rating

Date Range:

15-Mar-2025 to 15-May-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(ALB) Albany International Airport

Albany, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
79%
Late
7
11%
Very Late
2
3%
Excessive
2
3%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
22
Codeshares
60
Average Delay (min.)
22.545454545454547
Standard Deviation
27
Min
0
Max
122

UA 4321 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 80%
Average Delay Time 22.545454545454547 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 71% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 22.545454545454547 min
This flight has an average delay of 22.545454545454547 minutes with a standard deviation of 27 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.