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(QR) Qatar Airways 9521 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(DFW) Dallas Fort Worth International Airport

Dallas, TX, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
75%
Late
1
6%
Very Late
0
0%
Excessive
1
6%
Cancelled
2
13%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
16
Total Delays ( > 1 min )
5
Codeshares
16
Average Delay (min.)
20.8
Standard Deviation
22.7
Min
0
Max
58

QR 9521 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 75%
Average Delay Time 20.8 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 59% of all other flights in the FlightStats database.
On-Time Performance Rating
2.5 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 50% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 20.8 min
This flight has an average delay of 20.8 minutes with a standard deviation of 22.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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