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(UA) United Airlines 4239 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(MFE) McAllen Miller International Airport

McAllen, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
20
67%
Late
1
3%
Very Late
1
3%
Excessive
6
20%
Cancelled
0
0%
Diverted
2
7%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
8
Codeshares
28
Average Delay (min.)
142.875
Standard Deviation
96.2
Min
0
Max
270

UA 4239 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 71%
Average Delay Time 142.875 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
1.7 of 5
Average
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 142.875 min
This flight has an average delay of 142.875 minutes with a standard deviation of 96.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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