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(UA) United Airlines 4291 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-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
42
67%
Late
6
10%
Very Late
2
3%
Excessive
8
13%
Cancelled
2
3%
Diverted
3
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
25
Codeshares
60
Average Delay (min.)
52.72
Standard Deviation
69.7
Min
0
Max
315

UA 4291 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 70%
Average Delay Time 52.72 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 13% of all other flights in the FlightStats database.
On-Time Performance Rating
1.1 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 52.72 min
This flight has an average delay of 52.72 minutes with a standard deviation of 69.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.