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(UA) United Airlines 991 On-Time Performance Rating

Date Range:

15-Mar-2024 to 15-May-2024

(BCN) Barcelona-El Prat Airport

Barcelona, SP, ES

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
47
81%
Late
3
5%
Very Late
4
7%
Excessive
2
3%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
18
Codeshares
0
Average Delay (min.)
42.611111111111114
Standard Deviation
100.2
Min
0
Max
440

UA 991 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 83%
Average Delay Time 42.611111111111114 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 55% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 42.611111111111114 min
This flight has an average delay of 42.611111111111114 minutes with a standard deviation of 100.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.