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(UA) United Airlines 5518 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(SMF) Sacramento International Airport

Sacramento, CA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
57%
Late
3
14%
Very Late
3
14%
Excessive
3
14%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
21
Total Delays ( > 1 min )
12
Codeshares
21
Average Delay (min.)
37.75
Standard Deviation
40.2
Min
0
Max
137

UA 5518 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 57%
Average Delay Time 37.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 15% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 57%
This flight has an on-time performance of 57%. 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
1.5 of 5
Poor
Average Delay Time 37.75 min
This flight has an average delay of 37.75 minutes with a standard deviation of 40.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.

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