background

(UA) United Airlines 1660 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(PDX) Portland International Airport

Portland, OR, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
8
50%
Late
5
31%
Very Late
3
19%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
16
Total Delays ( > 1 min )
10
Codeshares
0
Average Delay (min.)
21.3
Standard Deviation
9.6
Min
0
Max
33

UA 1660 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 50%
Average Delay Time 21.3 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 39% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 21.3 min
This flight has an average delay of 21.3 minutes with a standard deviation of 9.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

Other Stops for UA 1660