(DL) Delta Air Lines 4197 On-time Performance Rating

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DL 4197 Historical On-time Performance Ratings

Route:   Detroit to Toronto
Date Range:   March 15, 2016 to May 15, 2016
Flight:   (DL) Delta Air Lines 4197
Departure Airport:   (DTW) Detroit Metropolitan Wayne County Airport
Departure City   Detroit, MI, US
Arrival Airport:   (YYZ) Pearson International Airport
Arrival City:   Toronto, ON, CA

DL 4197 On-time Performance Rating Details

Overall Rating

4 of 5
Good
On-time:
Avg. Delay:
90%
20 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4, shows that this flight has on-time performance characteristics better than 79% of all other flights in the FlightStats database.

On-time Performance

4.7 of 5
Very Good
On-time: 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 94% of other flights.

Delay Performance

3.3 of 5
Average
Avg. Delay: 20 min
This flight has an average delay of 20 minutes with a standard deviation of 15.21 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 65% of other flights.

DL 4197 On-time Performance Summary

  On-time Performance
  Delay Statistics
On-time Arrival Performance for this Flight
On-time 30 90%
Late 2 6%
Very Late 0 0%
Excessive 1 3%
Canceled 0 0%
Diverted 0 0%
Total Flights 33
*Due to rounding approximations, values may not add up exactly to 100%
Aggregate Arrival Delay Statistics for this Flight
Observations 6
Average Delay (min.) 20.00
Standard Deviation 15.21
Min 9
Max 50
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