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(UA) United Airlines 451 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(BNA) Nashville International Airport

Nashville, TN, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
41
85%
Late
4
8%
Very Late
0
0%
Excessive
2
4%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
47
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
71.33333333333333
Standard Deviation
176
Min
0
Max
624

UA 451 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 87%
Average Delay Time 71.33333333333333 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 50% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 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 99% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 71.33333333333333 min
This flight has an average delay of 71.33333333333333 minutes with a standard deviation of 176 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.

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