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(UA) United Airlines 439 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(DEN) Denver International Airport

Denver, CO, US

(IDA) Idaho Falls Regional Airport

Idaho Falls, ID, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
73%
Late
1
7%
Very Late
1
7%
Excessive
2
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
56.375
Standard Deviation
104.6
Min
0
Max
310

UA 439 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 73%
Average Delay Time 56.375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 27% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 56.375 min
This flight has an average delay of 56.375 minutes with a standard deviation of 104.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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