(UA) United Airlines 4396 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

79%

Late

Very Late

Excessive

14%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

33.57142857142857

Standard Deviation

43.3

Min

Max

108

UA 4396 On-Time Performance Details

Overall Rating

2.7 of 5

Average

Percentage On-Time 79%

Average Delay Time 33.57142857142857 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 53% of all other flights in the FlightStats database.

On-Time Performance Rating

3.1 of 5

Average

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 62% of other flights.

Delay Performance

2.3 of 5

Average

Average Delay Time 33.57142857142857 min

This flight has an average delay of 33.57142857142857 minutes with a standard deviation of 43.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.