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(UA) United Airlines 1 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-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
43
74%
Late
9
16%
Very Late
3
5%
Excessive
2
3%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
35
Codeshares
0
Average Delay (min.)
16.82857142857143
Standard Deviation
15.3
Min
0
Max
63

UA 1 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 74%
Average Delay Time 16.82857142857143 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 68% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 16.82857142857143 min
This flight has an average delay of 16.82857142857143 minutes with a standard deviation of 15.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.