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(UA) United Airlines 3591 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-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
41
77%
Late
3
6%
Very Late
2
4%
Excessive
5
9%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
16
Codeshares
52
Average Delay (min.)
40
Standard Deviation
49.3
Min
0
Max
184

UA 3591 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 79%
Average Delay Time 40 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 56% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 40 min
This flight has an average delay of 40 minutes with a standard deviation of 49.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

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