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(UA) United Airlines 3591 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(BTV) Patrick Leahy Burlington International Airport

Burlington, VT, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
53
96%
Late
0
0%
Very Late
2
4%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
4
Codeshares
55
Average Delay (min.)
20.5
Standard Deviation
16.5
Min
0
Max
38

UA 3591 On-Time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 96%
Average Delay Time 20.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 82% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 96%
This flight has an on-time performance of 96%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 20.5 min
This flight has an average delay of 20.5 minutes with a standard deviation of 16.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.