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(UA) United Airlines 5021 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(SUX) Sioux Gateway Airport

Sioux City, IA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
67%
Late
1
5%
Very Late
1
5%
Excessive
4
19%
Cancelled
0
0%
Diverted
1
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
9
Codeshares
20
Average Delay (min.)
34
Standard Deviation
23.6
Min
0
Max
73

UA 5021 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 70%
Average Delay Time 34 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 34% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 34 min
This flight has an average delay of 34 minutes with a standard deviation of 23.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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