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(UA) United Airlines 4799 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(DEN) Denver International Airport

Denver, CO, US

(BIS) Bismarck Municipal Airport

Bismarck, ND, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
82%
Late
2
4%
Very Late
2
4%
Excessive
5
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
49
Total Delays ( > 1 min )
16
Codeshares
49
Average Delay (min.)
81.6875
Standard Deviation
168.7
Min
0
Max
695

UA 4799 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 82%
Average Delay Time 81.6875 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 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 84% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 81.6875 min
This flight has an average delay of 81.6875 minutes with a standard deviation of 168.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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