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(UA) United Airlines 4791 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(BDL) Bradley International Airport

Hartford, CT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
84%
Late
0
0%
Very Late
0
0%
Excessive
3
12%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
7
Codeshares
25
Average Delay (min.)
50.142857142857146
Standard Deviation
63.1
Min
0
Max
148

UA 4791 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 84%
Average Delay Time 50.142857142857146 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 56% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 50.142857142857146 min
This flight has an average delay of 50.142857142857146 minutes with a standard deviation of 63.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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