(DL) Delta Air Lines 4749 On-time Performance Rating

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DL 4749 Historical On-time Performance Ratings

Route:   Ontario to Salt Lake City
Date Range:   November 15, 2016 to January 15, 2017
Flight:   (DL) Delta Air Lines 4749
Departure Airport:   (ONT) LA/Ontario International Airport
Departure City   Ontario, CA, US
Arrival Airport:   (SLC) Salt Lake City International Airport
Arrival City:   Salt Lake City, UT, US

DL 4749 On-time Performance Rating Details

Overall Rating

3.5 of 5
Average
On-time:
Avg. Delay:
93%
37 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5, shows that this flight has on-time performance characteristics better than 68% of all other flights in the FlightStats database.

On-time Performance

5 of 5
Very Good
On-time: 93%
This flight has an on-time performance of 93%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.

Delay Performance

1.9 of 5
Average
Avg. Delay: 37 min
This flight has an average delay of 37 minutes with a standard deviation of 38.76 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

DL 4749 On-time Performance Summary

  On-time Performance
  Delay Statistics
On-time Arrival Performance for this Flight
On-time 27 93%
Late 0 0%
Very Late 0 0%
Excessive 2 6%
Canceled 0 0%
Diverted 0 0%
Total Flights 29
*Due to rounding approximations, values may not add up exactly to 100%
Aggregate Arrival Delay Statistics for this Flight
Observations 4
Average Delay (min.) 37.00
Standard Deviation 38.76
Min 1
Max 72
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