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(UA) United Airlines 6139 On-time Performance Rating

Date Range:

01-Jul-2018 to 31-Aug-2018

(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
23
92%
Late
1
4%
Very Late
0
0%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
2
Codeshares
25
Average Delay (min.)
35
Standard Deviation
21.9
Min
20
Max
51

UA 6139 On-time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 92%
Average Delay Time 35 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 71% of all other flights in the FlightStats database.
On-time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 35 min
This flight has an average delay of 35 minutes with a standard deviation of 21.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.