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(UA) United Airlines 1109 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(BZN) Bozeman Yellowstone International Airport

Bozeman, MT, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
35
70%
Late
8
16%
Very Late
0
0%
Excessive
7
14%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
50
Total Delays ( > 1 min )
22
Codeshares
0
Average Delay (min.)
44.54545454545455
Standard Deviation
52.2
Min
0
Max
180

UA 1109 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 70%
Average Delay Time 44.54545454545455 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 15% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 44.54545454545455 min
This flight has an average delay of 44.54545454545455 minutes with a standard deviation of 52.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.

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