(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

(DSM) Des Moines International Airport

Des Moines, IA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

84%

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.)

24.615384615384617

Standard Deviation

34.4

Min

Max

130

UA 1139 On-Time Performance Details

Overall Rating

3.9 of 5

Good

Percentage On-Time 84%

Average Delay Time 24.615384615384617 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 77% of all other flights in the FlightStats database.

On-Time Performance Rating

4.3 of 5

Good

Percentage On-Time 84%

This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.

Delay Performance

3.5 of 5

Average

Average Delay Time 24.615384615384617 min

This flight has an average delay of 24.615384615384617 minutes with a standard deviation of 34.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.