(UA) United Airlines 1239 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)

On-Time

88%

Late

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.)

44.875

Standard Deviation

84.6

Min

Max

253

UA 1239 On-Time Performance Details

Overall Rating

2.8 of 5

Average

Percentage On-Time 88%

Average Delay Time 44.875 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 54% 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

1.1 of 5

Poor

Average Delay Time 44.875 min

This flight has an average delay of 44.875 minutes with a standard deviation of 84.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.