(UA) United Airlines 3500 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(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

62%

Late

Very Late

Excessive

24%

Cancelled

10%

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

73.72727272727273

Standard Deviation

92.4

Min

Max

261

UA 3500 On-Time Performance Details

Overall Rating

0.7 of 5

Poor

Percentage On-Time 65%

Average Delay Time 73.72727272727273 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 12% of all other flights in the FlightStats database.

On-Time Performance Rating

1.2 of 5

Poor

Percentage On-Time 65%

This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.

Delay Performance

0.1 of 5

Very Poor

Average Delay Time 73.72727272727273 min

This flight has an average delay of 73.72727272727273 minutes with a standard deviation of 92.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.