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(UA) United Airlines 5821 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MKE) Milwaukee Mitchell International Airport

Milwaukee, WI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
75%
Late
8
13%
Very Late
1
2%
Excessive
5
8%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
25
Codeshares
60
Average Delay (min.)
24.2
Standard Deviation
21.6
Min
0
Max
89

UA 5821 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 75%
Average Delay Time 24.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 50% of all other flights in the FlightStats database.
On-Time Performance Rating
1.5 of 5
Poor
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 31% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 24.2 min
This flight has an average delay of 24.2 minutes with a standard deviation of 21.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.