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(UA) United Airlines 1227 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
38
81%
Late
0
0%
Very Late
1
2%
Excessive
7
15%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
47
Total Delays ( > 1 min )
18
Codeshares
0
Average Delay (min.)
46.833333333333336
Standard Deviation
74
Min
0
Max
298

UA 1227 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 81%
Average Delay Time 46.833333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 58% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 93% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 46.833333333333336 min
This flight has an average delay of 46.833333333333336 minutes with a standard deviation of 74 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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