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(QR) Qatar Airways 9139 On-Time Performance Rating

Date Range:

15-Mar-2025 to 15-May-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
71%
Late
0
0%
Very Late
3
13%
Excessive
4
17%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
8
Codeshares
24
Average Delay (min.)
63.75
Standard Deviation
42.3
Min
0
Max
122

QR 9139 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 71%
Average Delay Time 63.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 10% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 63.75 min
This flight has an average delay of 63.75 minutes with a standard deviation of 42.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

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