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(QF) Qantas 4571 On-Time Performance Rating

Date Range:

15-Jan-2020 to 15-Mar-2020

(IAD) Washington Dulles International Airport

Dulles, VA, US

(DFW) Dallas/Fort Worth International Airport

Dallas, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
75%
Late
6
11%
Very Late
2
4%
Excessive
3
6%
Cancelled
0
0%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
19
Codeshares
51
Average Delay (min.)
34
Standard Deviation
58.8
Min
0
Max
215

QF 4571 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 78%
Average Delay Time 34 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 27% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 34 min
This flight has an average delay of 34 minutes with a standard deviation of 58.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.