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(UA) United Airlines 5621 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(TYS) Knoxville McGhee Tyson Airport

Knoxville, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
3
50%
Late
1
17%
Very Late
0
0%
Excessive
2
33%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
6
Total Delays ( > 1 min )
6
Codeshares
6
Average Delay (min.)
34.666666666666664
Standard Deviation
37.1
Min
7
Max
99

UA 5621 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 50%
Average Delay Time 34.666666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 21% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 34.666666666666664 min
This flight has an average delay of 34.666666666666664 minutes with a standard deviation of 37.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

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