(QR) Qatar Airways 9521 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(PHL) Philadelphia International Airport

Philadelphia, PA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

17%

Late

17%

Very Late

Excessive

67%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

69.2

Standard Deviation

39.9

Min

Max

128

QR 9521 On-Time Performance Details

Overall Rating

0.2 of 5

Very Poor

Percentage On-Time 17%

Average Delay Time 69.2 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 17%

This flight has an on-time performance of 17%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.

Delay Performance

0.3 of 5

Very Poor

Average Delay Time 69.2 min

This flight has an average delay of 69.2 minutes with a standard deviation of 39.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.