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(UA) United Airlines 28 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(SIN) Singapore Changi Airport

Singapore, SG

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
28%
Late
21
35%
Very Late
7
12%
Excessive
13
22%
Cancelled
2
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
48
Codeshares
0
Average Delay (min.)
33.458333333333336
Standard Deviation
28
Min
0
Max
167

UA 28 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 28%
Average Delay Time 33.458333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 30% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 28%
This flight has an on-time performance of 28%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 33.458333333333336 min
This flight has an average delay of 33.458333333333336 minutes with a standard deviation of 28 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.