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(UA) United Airlines 5821 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-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
27
59%
Late
5
11%
Very Late
2
4%
Excessive
8
17%
Cancelled
3
7%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
45
Total Delays ( > 1 min )
19
Codeshares
45
Average Delay (min.)
47.473684210526315
Standard Deviation
41.9
Min
0
Max
147

UA 5821 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 60%
Average Delay Time 47.473684210526315 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 47.473684210526315 min
This flight has an average delay of 47.473684210526315 minutes with a standard deviation of 41.9 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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