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(UA) United Airlines 1236 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(DEN) Denver International Airport

Denver, CO, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
44%
Late
6
15%
Very Late
5
13%
Excessive
10
26%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
38
Total Delays ( > 1 min )
29
Codeshares
0
Average Delay (min.)
57.37931034482759
Standard Deviation
68.2
Min
0
Max
312

UA 1236 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 45%
Average Delay Time 57.37931034482759 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 45%
This flight has an on-time performance of 45%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 57.37931034482759 min
This flight has an average delay of 57.37931034482759 minutes with a standard deviation of 68.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.

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