(UA) United Airlines 4456 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(GSO) Piedmont Triad International Airport

Greensboro/High Point, NC, US

On-Time Performance Chart

(using rounded numbers)

On-Time

67%

Late

Very Late

Excessive

20%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

49.333333333333336

Standard Deviation

45.6

Min

Max

130

UA 4456 On-Time Performance Details

Overall Rating

0.9 of 5

Poor

Percentage On-Time 67%

Average Delay Time 49.333333333333336 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 16% of all other flights in the FlightStats database.

On-Time Performance Rating

0.6 of 5

Poor

Percentage On-Time 67%

This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.

Delay Performance

1.1 of 5

Poor

Average Delay Time 49.333333333333336 min

This flight has an average delay of 49.333333333333336 minutes with a standard deviation of 45.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.