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(UA) United Airlines 646 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(SLP) Ponciano Arriaga International Airport

San Luis Potosi, MX

On-Time Performance Chart

(using rounded numbers)
On-Time
9
69%
Late
2
15%
Very Late
1
8%
Excessive
1
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
13
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
27.857142857142858
Standard Deviation
31.9
Min
0
Max
95

UA 646 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 69%
Average Delay Time 27.857142857142858 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 44% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 27.857142857142858 min
This flight has an average delay of 27.857142857142858 minutes with a standard deviation of 31.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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