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(UA) United Airlines 1220 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
13
87%
Late
1
7%
Very Late
1
7%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
2
Codeshares
0
Average Delay (min.)
22.5
Standard Deviation
10.6
Min
0
Max
30

UA 1220 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 87%
Average Delay Time 22.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 76% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 22.5 min
This flight has an average delay of 22.5 minutes with a standard deviation of 10.6 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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