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(UA) United Airlines 4591 On-Time Performance Rating

Date Range:

01-Sep-2025 to 31-Oct-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
36
67%
Late
3
6%
Very Late
6
11%
Excessive
8
15%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
29
Codeshares
53
Average Delay (min.)
47.310344827586206
Standard Deviation
73.1
Min
0
Max
286

UA 4591 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 68%
Average Delay Time 47.310344827586206 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 47.310344827586206 min
This flight has an average delay of 47.310344827586206 minutes with a standard deviation of 73.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.