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(AA) American Airlines 91 On-time Performance Rating

Date Range:

01-Aug-2018 to 30-Sep-2018

(LHR) London Heathrow Airport

London, EN, GB

(ORD) O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
44
69%
Late
13
20%
Very Late
1
2%
Excessive
4
6%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
62
Total Delays ( > 1 min )
31
Codeshares
0
Average Delay (min.)
22
Standard Deviation
22.4
Min
0
Max
93

AA 91 On-time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 71%
Average Delay Time 22 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 51% of all other flights in the FlightStats database.
On-time Performance Rating
1.1 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 21% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 22 min
This flight has an average delay of 22 minutes with a standard deviation of 22.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.