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(QR) Qatar Airways 8559 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(GSP) Greenville-Spartanburg International Airport

Greenville, SC, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
29
88%
Late
0
0%
Very Late
1
3%
Excessive
3
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
8
Codeshares
33
Average Delay (min.)
69.875
Standard Deviation
95
Min
0
Max
276

QR 8559 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 88%
Average Delay Time 69.875 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 69.875 min
This flight has an average delay of 69.875 minutes with a standard deviation of 95 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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