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(UA) United Airlines 543 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
46%
Late
2
8%
Very Late
5
19%
Excessive
5
19%
Cancelled
1
4%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
15
Codeshares
0
Average Delay (min.)
39.53333333333333
Standard Deviation
26.6
Min
0
Max
110

UA 543 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 48%
Average Delay Time 39.53333333333333 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 48%
This flight has an on-time performance of 48%. 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
1.4 of 5
Poor
Average Delay Time 39.53333333333333 min
This flight has an average delay of 39.53333333333333 minutes with a standard deviation of 26.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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