(UA) United Airlines 4605 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(COU) Columbia Regional Airport

Columbia, MO, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

68%

Late

Very Late

Excessive

16%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

87.72727272727273

Standard Deviation

132.4

Min

Max

434

UA 4605 On-Time Performance Details

Overall Rating

0.7 of 5

Poor

Percentage On-Time 68%

Average Delay Time 87.72727272727273 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% of all other flights in the FlightStats database.

On-Time Performance Rating

1.4 of 5

Poor

Percentage On-Time 68%

This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.

Delay Performance

0.0 of 5

Very Poor

Average Delay Time 87.72727272727273 min

This flight has an average delay of 87.72727272727273 minutes with a standard deviation of 132.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.