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(UA) United Airlines 4738 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(BIS) Bismarck Municipal Airport

Bismarck, ND, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
54
86%
Late
1
2%
Very Late
1
2%
Excessive
5
8%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
13
Codeshares
61
Average Delay (min.)
80.61538461538461
Standard Deviation
119.6
Min
0
Max
386

UA 4738 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 89%
Average Delay Time 80.61538461538461 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 48% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 80.61538461538461 min
This flight has an average delay of 80.61538461538461 minutes with a standard deviation of 119.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.