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(UA) United Airlines 5521 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(COU) Columbia Regional Airport

Columbia, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
76%
Late
2
8%
Very Late
1
4%
Excessive
2
8%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
6
Codeshares
25
Average Delay (min.)
59.166666666666664
Standard Deviation
63.9
Min
0
Max
160

UA 5521 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 76%
Average Delay Time 59.166666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 59.166666666666664 min
This flight has an average delay of 59.166666666666664 minutes with a standard deviation of 63.9 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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