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(UA) United Airlines 5566 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(SMF) Sacramento International Airport

Sacramento, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
81%
Late
2
4%
Very Late
2
4%
Excessive
4
8%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
47
Total Delays ( > 1 min )
13
Codeshares
47
Average Delay (min.)
88.84615384615384
Standard Deviation
223
Min
0
Max
827

UA 5566 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 83%
Average Delay Time 88.84615384615384 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. 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
0.0 of 5
Very Poor
Average Delay Time 88.84615384615384 min
This flight has an average delay of 88.84615384615384 minutes with a standard deviation of 223 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.