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(UA) United Airlines 1259 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
44
88%
Late
4
8%
Very Late
0
0%
Excessive
2
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
50
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
20.76923076923077
Standard Deviation
27.7
Min
0
Max
96

UA 1259 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 88%
Average Delay Time 20.76923076923077 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 87% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 20.76923076923077 min
This flight has an average delay of 20.76923076923077 minutes with a standard deviation of 27.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

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