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(UA) United Airlines 5271 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(SBP) San Luis Obispo County Regional Airport

San Luis Obispo, CA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
46
88%
Late
1
2%
Very Late
2
4%
Excessive
3
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
9
Codeshares
52
Average Delay (min.)
44
Standard Deviation
49.8
Min
0
Max
157

UA 5271 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 89%
Average Delay Time 44 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 59% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 44 min
This flight has an average delay of 44 minutes with a standard deviation of 49.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.

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