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(UA) United Airlines 5821 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(TUL) Tulsa International Airport

Tulsa, OK, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

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

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
7
Codeshares
15
Average Delay (min.)
26.857142857142858
Standard Deviation
20.4
Min
0
Max
66

UA 5821 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 73%
Average Delay Time 26.857142857142858 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 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 34% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 26.857142857142858 min
This flight has an average delay of 26.857142857142858 minutes with a standard deviation of 20.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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