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(UA) United Airlines 4457 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(EWR) Newark Liberty International Airport

Newark, NJ, US

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
34%
Late
4
14%
Very Late
4
14%
Excessive
8
28%
Cancelled
3
10%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
29
Total Delays ( > 1 min )
21
Codeshares
29
Average Delay (min.)
42.857142857142854
Standard Deviation
45.5
Min
0
Max
186

UA 4457 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 35%
Average Delay Time 42.857142857142854 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 10% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 35%
This flight has an on-time performance of 35%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 42.857142857142854 min
This flight has an average delay of 42.857142857142854 minutes with a standard deviation of 45.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.

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