(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:   January 15, 2017 to March 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

3.3 of 5
Average
On-time:
Avg. Delay:
83%
25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3, shows that this flight has on-time performance characteristics better than 65% of all other flights in the FlightStats database.

On-time Performance

3.8 of 5
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 75% of other flights.

Delay Performance

2.9 of 5
Average
Avg. Delay: 25 min
This flight has an average delay of 25 minutes with a standard deviation of 25.43 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 57% of other flights.

DL 4749 On-time Performance Summary

  On-time Performance
  Delay Statistics
On-time Arrival Performance for this Flight
On-time 20 83%
Late 1 4%
Very Late 2 8%
Excessive 1 4%
Canceled 0 0%
Diverted 0 0%
Total Flights 24
*Due to rounding approximations, values may not add up exactly to 100%
Aggregate Arrival Delay Statistics for this Flight
Observations 9
Average Delay (min.) 25.00
Standard Deviation 25.43
Min 1
Max 81
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