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(UA) United Airlines 3664 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(BTV) Patrick Leahy Burlington International Airport

Burlington, VT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
2
33%
Late
0
0%
Very Late
2
33%
Excessive
0
0%
Cancelled
2
33%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
6
Total Delays ( > 1 min )
2
Codeshares
6
Average Delay (min.)
34
Standard Deviation
2.8
Min
0
Max
36

UA 3664 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 33%
Average Delay Time 34 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 26% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 33%
This flight has an on-time performance of 33%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 34 min
This flight has an average delay of 34 minutes with a standard deviation of 2.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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