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(UA) United Airlines 721 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-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
41
67%
Late
10
16%
Very Late
6
10%
Excessive
4
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
34
Codeshares
0
Average Delay (min.)
26.647058823529413
Standard Deviation
30.5
Min
0
Max
136

UA 721 On-Time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 67%
Average Delay Time 26.647058823529413 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 33% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 26.647058823529413 min
This flight has an average delay of 26.647058823529413 minutes with a standard deviation of 30.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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