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(UA) United Airlines 4544 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(PHL) Philadelphia International Airport

Philadelphia, PA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
38
84%
Late
0
0%
Very Late
0
0%
Excessive
6
13%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
44
Total Delays ( > 1 min )
9
Codeshares
44
Average Delay (min.)
57.333333333333336
Standard Deviation
45
Min
0
Max
143

UA 4544 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 86%
Average Delay Time 57.333333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 54% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 57.333333333333336 min
This flight has an average delay of 57.333333333333336 minutes with a standard deviation of 45 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

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