(UA) United Airlines 400 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

88%

Late

12%

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

12.5

Standard Deviation

10.1

Min

Max

UA 400 On-Time Performance Details

Overall Rating

4.2 of 5

Good

Percentage On-Time 88%

Average Delay Time 12.5 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 82% of all other flights in the FlightStats database.

On-Time Performance Rating

4.4 of 5

Good

Percentage On-Time 88%

This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.

Delay Performance

3.9 of 5

Good

Average Delay Time 12.5 min

This flight has an average delay of 12.5 minutes with a standard deviation of 10.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.