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(UA) United Airlines 5518 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
47%
Late
2
11%
Very Late
2
11%
Excessive
5
26%
Cancelled
1
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
10
Codeshares
19
Average Delay (min.)
60.2
Standard Deviation
47.1
Min
0
Max
159

UA 5518 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 47%
Average Delay Time 60.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 4% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 47%
This flight has an on-time performance of 47%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 60.2 min
This flight has an average delay of 60.2 minutes with a standard deviation of 47.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.

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