background

(UA) United Airlines 1 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(SIN) Singapore Changi Airport

Singapore, SG

On-Time Performance Chart

(using rounded numbers)
On-Time
48
80%
Late
10
17%
Very Late
1
2%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
33
Codeshares
0
Average Delay (min.)
13.787878787878787
Standard Deviation
12.1
Min
0
Max
63

UA 1 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 80%
Average Delay Time 13.787878787878787 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 86% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 13.787878787878787 min
This flight has an average delay of 13.787878787878787 minutes with a standard deviation of 12.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 97% of other flights.