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(UA) United Airlines 3558 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-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
13
76%
Late
0
0%
Very Late
1
6%
Excessive
3
18%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
17
Total Delays ( > 1 min )
7
Codeshares
17
Average Delay (min.)
39.285714285714285
Standard Deviation
35.5
Min
0
Max
86

UA 3558 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 77%
Average Delay Time 39.285714285714285 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. 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
1.9 of 5
Average
Average Delay Time 39.285714285714285 min
This flight has an average delay of 39.285714285714285 minutes with a standard deviation of 35.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

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