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(QR) Qatar Airways 8631 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(EVV) Evansville Regional Airport

Evansville, IN, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
25
83%
Late
1
3%
Very Late
1
3%
Excessive
3
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
30
Total Delays ( > 1 min )
11
Codeshares
30
Average Delay (min.)
30
Standard Deviation
42.6
Min
0
Max
135

QR 8631 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 83%
Average Delay Time 30 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 70% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 30 min
This flight has an average delay of 30 minutes with a standard deviation of 42.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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