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(UA) United Airlines 1427 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
58%
Late
4
12%
Very Late
3
9%
Excessive
7
21%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
21
Codeshares
0
Average Delay (min.)
33.80952380952381
Standard Deviation
30.6
Min
0
Max
114

UA 1427 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 58%
Average Delay Time 33.80952380952381 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 28% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 58%
This flight has an on-time performance of 58%. 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
2.9 of 5
Average
Average Delay Time 33.80952380952381 min
This flight has an average delay of 33.80952380952381 minutes with a standard deviation of 30.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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