background

(UA) United Airlines 4576 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-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
27
66%
Late
3
7%
Very Late
1
2%
Excessive
9
22%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
40
Total Delays ( > 1 min )
15
Codeshares
40
Average Delay (min.)
106.4
Standard Deviation
110.6
Min
0
Max
434

UA 4576 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 68%
Average Delay Time 106.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 7% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 106.4 min
This flight has an average delay of 106.4 minutes with a standard deviation of 110.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.