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(QR) Qatar Airways 9551 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(CHS) Charleston International Airport

Charleston, SC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
24
60%
Late
8
20%
Very Late
4
10%
Excessive
2
5%
Cancelled
2
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
40
Total Delays ( > 1 min )
19
Codeshares
40
Average Delay (min.)
32.26315789473684
Standard Deviation
43.2
Min
0
Max
198

QR 9551 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 60%
Average Delay Time 32.26315789473684 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 31% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 3% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 32.26315789473684 min
This flight has an average delay of 32.26315789473684 minutes with a standard deviation of 43.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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