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(QF) Qantas 1639 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(PHE) Port Hedland International Airport

Port Hedland, WA, AU

(PER) Perth Airport

Perth, WA, AU

On-Time Performance Chart

(using rounded numbers)
On-Time
35
81%
Late
4
9%
Very Late
1
2%
Excessive
2
5%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
43
Total Delays ( > 1 min )
19
Codeshares
43
Average Delay (min.)
18.263157894736842
Standard Deviation
27.8
Min
0
Max
123

QF 1639 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 81%
Average Delay Time 18.263157894736842 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 80% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 18.263157894736842 min
This flight has an average delay of 18.263157894736842 minutes with a standard deviation of 27.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.