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(UA) United Airlines 1866 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(MSN) Dane County Regional Airport

Madison, WI, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
20
87%
Late
1
4%
Very Late
0
0%
Excessive
2
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
34
Standard Deviation
32.3
Min
0
Max
84

UA 1866 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 87%
Average Delay Time 34 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 64% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 34 min
This flight has an average delay of 34 minutes with a standard deviation of 32.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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