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(UA) United Airlines 3516 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(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
14
70%
Late
0
0%
Very Late
1
5%
Excessive
2
10%
Cancelled
3
15%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
5
Codeshares
20
Average Delay (min.)
33.8
Standard Deviation
26.7
Min
0
Max
63

UA 3516 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 70%
Average Delay Time 33.8 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
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 34% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 33.8 min
This flight has an average delay of 33.8 minutes with a standard deviation of 26.7 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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