background

(UA) United Airlines 2312 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(SJO) Juan Santamaria International Airport

San Jose, CR

On-Time Performance Chart

(using rounded numbers)
On-Time
45
83%
Late
6
11%
Very Late
3
6%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
18
Codeshares
0
Average Delay (min.)
17.555555555555557
Standard Deviation
13.9
Min
0
Max
44

UA 2312 On-Time Performance Details

Overall Rating
4.8 of 5
Very Good
Percentage On-Time 83%
Average Delay Time 17.555555555555557 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.8 shows that this flight has on-time performance characteristics better than 94% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
4.6 of 5
Very Good
Average Delay Time 17.555555555555557 min
This flight has an average delay of 17.555555555555557 minutes with a standard deviation of 13.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 92% of other flights.