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(UA) United Airlines 1131 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(DEN) Denver International Airport

Denver, CO, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
66%
Late
4
11%
Very Late
1
3%
Excessive
6
17%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
26
Codeshares
0
Average Delay (min.)
49.34615384615385
Standard Deviation
83.5
Min
0
Max
332

UA 1131 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 66%
Average Delay Time 49.34615384615385 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 12% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 66%
This flight has an on-time performance of 66%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 49.34615384615385 min
This flight has an average delay of 49.34615384615385 minutes with a standard deviation of 83.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

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