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(UA) United Airlines 1665 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(ONT) Ontario International Airport

Ontario, CA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
2
40%
Late
0
0%
Very Late
3
60%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
5
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
26.2
Standard Deviation
15.2
Min
7
Max
43

UA 1665 On-Time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 40%
Average Delay Time 26.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 33% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 40%
This flight has an on-time performance of 40%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 3% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 26.2 min
This flight has an average delay of 26.2 minutes with a standard deviation of 15.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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