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(UA) United Airlines 4576 On-Time Performance Rating

Date Range:

15-Mar-2025 to 15-May-2025

(PHL) Philadelphia International Airport

Philadelphia, PA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
33
72%
Late
3
7%
Very Late
0
0%
Excessive
8
17%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
45
Total Delays ( > 1 min )
16
Codeshares
45
Average Delay (min.)
59.125
Standard Deviation
52.6
Min
0
Max
135

UA 4576 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 73%
Average Delay Time 59.125 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 11% of all other flights in the FlightStats database.
On-Time Performance Rating
1.1 of 5
Poor
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 59.125 min
This flight has an average delay of 59.125 minutes with a standard deviation of 52.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.

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