(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:   July 15, 2017 to September 15, 2017
Flight:   (DL) Delta Air Lines 4749
Departure Airport:   (ONT) 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

2.4 of 5
Average
On-time:
Avg. Delay:
86%
110 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4, shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.

On-time Performance

4.8 of 5
Very Good
On-time: 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.

Delay Performance

0 of 5
Very Poor
Avg. Delay: 110 min
This flight has an average delay of 110 minutes with a standard deviation of 98.29 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

DL 4749 On-time Performance Summary

  On-time Performance
  Delay Statistics
On-time Arrival Performance for this Flight
On-time 32 86%
Late 0 0%
Very Late 0 0%
Excessive 4 10%
Canceled 1 2%
Diverted 0 0%
Total Flights 37
*Due to rounding approximations, values may not add up exactly to 100%
Aggregate Arrival Delay Statistics for this Flight
Observations 5
Average Delay (min.) 110.00
Standard Deviation 98.29
Min 5
Max 254
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