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(UA) United Airlines 4458 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(RIC) Richmond International Airport

Richmond, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
30
77%
Late
1
3%
Very Late
1
3%
Excessive
6
15%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
14
Codeshares
39
Average Delay (min.)
57.785714285714285
Standard Deviation
62.2
Min
0
Max
212

UA 4458 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 77%
Average Delay Time 57.785714285714285 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 57.785714285714285 min
This flight has an average delay of 57.785714285714285 minutes with a standard deviation of 62.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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