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(UA) United Airlines 5439 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(LIT) Bill and Hillary Clinton National Airport

Little Rock, AR, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
74%
Late
2
6%
Very Late
0
0%
Excessive
7
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
13
Codeshares
35
Average Delay (min.)
47.23076923076923
Standard Deviation
40.8
Min
0
Max
116

UA 5439 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 74%
Average Delay Time 47.23076923076923 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 34% of all other flights in the FlightStats database.
On-Time Performance Rating
2.3 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 47.23076923076923 min
This flight has an average delay of 47.23076923076923 minutes with a standard deviation of 40.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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