background

(UA) United Airlines 4533 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MSN) Dane County Regional Airport

Madison, WI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
20
71%
Late
3
11%
Very Late
3
11%
Excessive
2
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
13
Codeshares
28
Average Delay (min.)
29
Standard Deviation
28.8
Min
0
Max
109

UA 4533 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 71%
Average Delay Time 29 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 51% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 of 5
Average
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 29 min
This flight has an average delay of 29 minutes with a standard deviation of 28.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.