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(UA) United Airlines 1027 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(PDX) Portland International Airport

Portland, OR, US

On-Time Performance Chart

(using rounded numbers)
On-Time
41
98%
Late
0
0%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
41
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
4.4
Standard Deviation
3.2
Min
0
Max
9

UA 1027 On-Time Performance Details

Overall Rating
4.7 of 5
Very Good
Percentage On-Time 100%
Average Delay Time 4.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.7 shows that this flight has on-time performance characteristics better than 93% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 100%
This flight has an on-time performance of 100%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 4.4 min
This flight has an average delay of 4.4 minutes with a standard deviation of 3.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.

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