(AC) Air Canada 4978 On-time Performance Rating

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AC 4978 Historical On-time Performance Ratings

Route:   Detroit to Chicago
Date Range:   October 1, 2016 to November 30, 2016
Flight:   (AC) Air Canada 4978
Departure Airport:   (DTW) Detroit Metropolitan Wayne County Airport
Departure City   Detroit, MI, US
Arrival Airport:   (ORD) O'Hare International Airport
Arrival City:   Chicago, IL, US

AC 4978 On-time Performance Rating Details

Overall Rating

1 of 5
Poor
On-time:
Avg. Delay:
72%
33 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1, shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.

On-time Performance

0.7 of 5
Poor
On-time: 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 13% of other flights.

Delay Performance

1.4 of 5
Poor
Avg. Delay: 33 min
This flight has an average delay of 33 minutes with a standard deviation of 22.15 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

AC 4978 On-time Performance Summary

  On-time Performance
  Delay Statistics
On-time Arrival Performance for this Flight
On-time 18 72%
Late 2 8%
Very Late 1 4%
Excessive 3 12%
Canceled 1 4%
Diverted 0 0%
Total Flights 25
*Due to rounding approximations, values may not add up exactly to 100%
Aggregate Arrival Delay Statistics for this Flight
Observations 8
Average Delay (min.) 33.00
Standard Deviation 22.15
Min 5
Max 64
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