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(QF) Qantas 4559 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(MIA) Miami International Airport

Miami, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
71%
Late
10
18%
Very Late
1
2%
Excessive
5
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
20
Codeshares
55
Average Delay (min.)
29
Standard Deviation
26.5
Min
0
Max
111

QF 4559 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 71%
Average Delay Time 29 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 31% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 29 min
This flight has an average delay of 29 minutes with a standard deviation of 26.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.