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(UA) United Airlines 4591 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
74%
Late
3
6%
Very Late
7
13%
Excessive
2
4%
Cancelled
0
0%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
20
Codeshares
52
Average Delay (min.)
28.8
Standard Deviation
35.8
Min
0
Max
163

UA 4591 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 77%
Average Delay Time 28.8 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 70% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
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 73% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 28.8 min
This flight has an average delay of 28.8 minutes with a standard deviation of 35.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.