(US) US Airways 4639 On-time Performance Rating

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US 4639 Historical On-time Performance Ratings

Route:   Raleigh/Durham to Washington Route Ratings
Date Range:   May 15, 2014 to July 15, 2014 This Route Time of Day
Flight:   (US) US Airways 4639 US - Overall Rating
      US - Route Ratings
      US - Route Time of Day
Departure Airport:   (RDU) Raleigh-Durham International Airport
Departures
Departure City   Raleigh/Durham, NC, US On-time Performance Scorecard
Arrival Airport:   (DCA) Ronald Reagan National Airport
Arrivals
Arrival City:   Washington, DC, US On-time Performance Scorecard

US 4639 On-time Performance Rating Details

Overall Rating

0.5 of 5
Very Poor
On-time:
Avg. Delay:
57%
39 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5, shows that this flight has on-time performance characteristics better than 9% of all other flights in the FlightStats database.

On-time Performance

0.1 of 5
Very Poor
On-time: 57%
This flight has an on-time performance of 57%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.

Delay Performance

0.9 of 5
Poor
Avg. Delay: 39 min
This flight has an average delay of 39 minutes with a standard deviation of 54.26 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.

US 4639 On-time Performance Summary

  On-time Performance
  Delay Statistics
On-time Arrival Performance for this Flight
On-time 16 57%
Late 5 17%
Very Late 2 7%
Excessive 3 10%
Canceled 2 7%
Diverted 0 0%
Total Flights 28
*Due to rounding approximations, values may not add up exactly to 100%
Aggregate Arrival Delay Statistics for this Flight
Observations 14
Average Delay (min.) 39.00
Standard Deviation 54.26
Min 2
Max 212
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