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(UA) United Airlines 4591 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-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
35
66%
Late
6
11%
Very Late
1
2%
Excessive
6
11%
Cancelled
3
6%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
20
Codeshares
51
Average Delay (min.)
45.9
Standard Deviation
54.3
Min
0
Max
198

UA 4591 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 69%
Average Delay Time 45.9 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 15% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 45.9 min
This flight has an average delay of 45.9 minutes with a standard deviation of 54.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.