background

(UA) United Airlines 5397 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
30
73%
Late
2
5%
Very Late
2
5%
Excessive
7
17%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
41
Total Delays ( > 1 min )
20
Codeshares
41
Average Delay (min.)
48.05
Standard Deviation
65.2
Min
0
Max
272

UA 5397 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 73%
Average Delay Time 48.05 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 48.05 min
This flight has an average delay of 48.05 minutes with a standard deviation of 65.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.