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(QR) Qatar Airways 9531 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(PWM) Portland International Jetport

Portland, ME, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
63%
Late
0
0%
Very Late
2
7%
Excessive
6
22%
Cancelled
1
4%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
10
Codeshares
26
Average Delay (min.)
75.7
Standard Deviation
79
Min
0
Max
262

QR 9531 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 65%
Average Delay Time 75.7 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 12% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 75.7 min
This flight has an average delay of 75.7 minutes with a standard deviation of 79 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.

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