(UA) United Airlines 1139 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(PBI) Palm Beach International Airport

West Palm Beach, FL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

93%

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.)

6.5

Standard Deviation

8.4

Min

Max

UA 1139 On-Time Performance Details

Overall Rating

4.5 of 5

Good

Percentage On-Time 93%

Average Delay Time 6.5 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.5 shows that this flight has on-time performance characteristics better than 88% of all other flights in the FlightStats database.

On-Time Performance Rating

4.7 of 5

Very Good

Percentage On-Time 93%

This flight has an on-time performance of 93%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.

Delay Performance

4.2 of 5

Good

Average Delay Time 6.5 min

This flight has an average delay of 6.5 minutes with a standard deviation of 8.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.