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(UA) United Airlines 1 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(SIN) Singapore Changi Airport

Singapore, SG

On-Time Performance Chart

(using rounded numbers)
On-Time
37
64%
Late
9
16%
Very Late
4
7%
Excessive
8
14%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
36
Codeshares
0
Average Delay (min.)
27.63888888888889
Standard Deviation
25.9
Min
0
Max
89

UA 1 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 64%
Average Delay Time 27.63888888888889 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 27.63888888888889 min
This flight has an average delay of 27.63888888888889 minutes with a standard deviation of 25.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.