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(UA) United Airlines 721 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
4
40%
Late
2
20%
Very Late
2
20%
Excessive
2
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
10
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
32.666666666666664
Standard Deviation
35.1
Min
0
Max
115

UA 721 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 40%
Average Delay Time 32.666666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 31% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 40%
This flight has an on-time performance of 40%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 32.666666666666664 min
This flight has an average delay of 32.666666666666664 minutes with a standard deviation of 35.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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