background

(UA) United Airlines 4236 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
42
82%
Late
3
6%
Very Late
2
4%
Excessive
4
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
19
Codeshares
51
Average Delay (min.)
31.63157894736842
Standard Deviation
51.8
Min
0
Max
222

UA 4236 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 82%
Average Delay Time 31.63157894736842 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
3.6 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 31.63157894736842 min
This flight has an average delay of 31.63157894736842 minutes with a standard deviation of 51.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

Other Stops for UA 4236