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(UA) United Airlines 4605 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(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
79%
Late
1
2%
Very Late
1
2%
Excessive
5
12%
Cancelled
2
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
7
Codeshares
42
Average Delay (min.)
114.71428571428571
Standard Deviation
90.4
Min
0
Max
291

UA 4605 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 79%
Average Delay Time 114.71428571428571 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 114.71428571428571 min
This flight has an average delay of 114.71428571428571 minutes with a standard deviation of 90.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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