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(UA) United Airlines 4791 On-Time Performance Rating

Date Range:

01-Sep-2025 to 31-Oct-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(SBN) South Bend International Airport

South Bend, IN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
52
87%
Late
2
3%
Very Late
3
5%
Excessive
2
3%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
15
Codeshares
60
Average Delay (min.)
24.266666666666666
Standard Deviation
25.1
Min
0
Max
86

UA 4791 On-Time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 87%
Average Delay Time 24.266666666666666 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 82% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very 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 96% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 24.266666666666666 min
This flight has an average delay of 24.266666666666666 minutes with a standard deviation of 25.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.