(UA) United Airlines 451 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

73%

Late

Very Late

Excessive

18%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

49.666666666666664

Standard Deviation

24.1

Min

Max

UA 451 On-Time Performance Details

Overall Rating

1.8 of 5

Average

Percentage On-Time 73%

Average Delay Time 49.666666666666664 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.

On-Time Performance Rating

2.1 of 5

Average

Percentage On-Time 73%

This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.

Delay Performance

1.5 of 5

Poor

Average Delay Time 49.666666666666664 min

This flight has an average delay of 49.666666666666664 minutes with a standard deviation of 24.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.