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(UA) United Airlines 1155 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(SMF) Sacramento International Airport

Sacramento, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
27
96%
Late
0
0%
Very Late
0
0%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
1
Codeshares
0
Average Delay (min.)
53
Standard Deviation
0
Min
0
Max
53

UA 1155 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 96%
Average Delay Time 53 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 68% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 96%
This flight has an on-time performance of 96%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 53 min
This flight has an average delay of 53 minutes with a standard deviation of 0 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

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