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(UA) United Airlines 721 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-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
44
72%
Late
6
10%
Very Late
5
8%
Excessive
5
8%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
28
Codeshares
0
Average Delay (min.)
36.142857142857146
Standard Deviation
51.2
Min
0
Max
237

UA 721 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 72%
Average Delay Time 36.142857142857146 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 18% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 36.142857142857146 min
This flight has an average delay of 36.142857142857146 minutes with a standard deviation of 51.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.