(DL) Delta Air Lines 4487 On-time Performance Rating

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DL 4487 Historical On-time Performance Ratings

Route:   Salt Lake City to Chicago Route Ratings
Date Range:   May 15, 2014 to July 15, 2014 This Route Time of Day
Flight:   (DL) Delta Air Lines 4487 DL - Overall Rating
      DL - Route Ratings
      DL - Route Time of Day
Departure Airport:   (SLC) Salt Lake City International Airport
Departures
Departure City   Salt Lake City, UT, US On-time Performance Scorecard
Arrival Airport:   (ORD) O'Hare International Airport
Arrivals
Arrival City:   Chicago, IL, US On-time Performance Scorecard

DL 4487 On-time Performance Rating Details

Overall Rating

3.1 of 5
Average
On-time:
Avg. Delay:
83%
33 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.1, shows that this flight has on-time performance characteristics better than 60% of all other flights in the FlightStats database.

On-time Performance

4.7 of 5
Very Good
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 94% of other flights.

Delay Performance

1.5 of 5
Poor
Avg. Delay: 33 min
This flight has an average delay of 33 minutes with a standard deviation of 61.17 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 30% of other flights.

DL 4487 On-time Performance Summary

  On-time Performance
  Delay Statistics
On-time Arrival Performance for this Flight
On-time 47 83%
Late 3 5%
Very Late 1 1%
Excessive 5 8%
Canceled 0 0%
Diverted 0 0%
Total Flights 56
*Due to rounding approximations, values may not add up exactly to 100%
Aggregate Arrival Delay Statistics for this Flight
Observations 27
Average Delay (min.) 33.00
Standard Deviation 61.17
Min 1
Max 245
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