(UA) United Airlines 4456 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(CHA) Chattanooga Metropolitan Airport

Chattanooga, TN, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

20%

Late

40%

Very Late

Excessive

20%

Cancelled

Diverted

20%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

112.33333333333333

Standard Deviation

157.3

Min

Max

294

UA 4456 On-Time Performance Details

Overall Rating

0.1 of 5

Very Poor

Percentage On-Time 25%

Average Delay Time 112.33333333333333 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 25%

This flight has an on-time performance of 25%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.

Delay Performance

0.1 of 5

Very Poor

Average Delay Time 112.33333333333333 min

This flight has an average delay of 112.33333333333333 minutes with a standard deviation of 157.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.