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(QR) Qatar Airways 851 On-time Performance Rating

Date Range:

01-Sep-2018 to 31-Oct-2018

(PEN) Penang International Airport

Penang, MY

(DOH) Hamad International Airport

Doha, QA

On-Time Performance Chart

(using rounded numbers)
On-Time
25
69%
Late
7
19%
Very Late
2
6%
Excessive
2
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
36
Total Delays ( > 1 min )
19
Codeshares
0
Average Delay (min.)
20
Standard Deviation
16
Min
3
Max
57

QR 851 On-time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 69%
Average Delay Time 20 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-time Performance Rating
0.4 of 5
Very Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 8% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 20 min
This flight has an average delay of 20 minutes with a standard deviation of 16 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.