(UA) United Airlines 517 On-time Performance Rating

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UA 517 Historical On-time Performance Ratings

Route:   San Francisco to Dulles
Date Range:   May 15, 2016 to July 15, 2016
Flight:   (UA) United Airlines 517
Departure Airport:   (SFO) San Francisco International Airport
Departure City   San Francisco, CA, US
Arrival Airport:   (IAD) Washington Dulles International Airport
Arrival City:   Dulles, VA, US

UA 517 On-time Performance Rating Details

Overall Rating

1.9 of 5
Average
On-time:
Avg. Delay:
75%
38 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9, shows that this flight has on-time performance characteristics better than 36% of all other flights in the FlightStats database.

On-time Performance

2.3 of 5
Average
On-time: 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.

Delay Performance

1.4 of 5
Poor
Avg. Delay: 38 min
This flight has an average delay of 38 minutes with a standard deviation of 34.46 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

UA 517 On-time Performance Summary

  On-time Performance
  Delay Statistics
On-time Arrival Performance for this Flight
On-time 30 75%
Late 2 5%
Very Late 2 5%
Excessive 5 12%
Canceled 1 2%
Diverted 0 0%
Total Flights 40
*Due to rounding approximations, values may not add up exactly to 100%
Aggregate Arrival Delay Statistics for this Flight
Observations 14
Average Delay (min.) 38.00
Standard Deviation 34.46
Min 2
Max 123
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