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(UA) United Airlines 1665 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
77%
Late
3
6%
Very Late
3
6%
Excessive
6
12%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
19
Codeshares
0
Average Delay (min.)
31.31578947368421
Standard Deviation
25.3
Min
0
Max
87

UA 1665 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 77%
Average Delay Time 31.31578947368421 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
3.6 of 5
Good
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 31.31578947368421 min
This flight has an average delay of 31.31578947368421 minutes with a standard deviation of 25.3 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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