(UA) United Airlines 531 On-time Performance Rating

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UA 531 Historical On-time Performance Ratings

Route:   Washington to Chicago
Date Range:   March 15, 2016 to May 15, 2016
Flight:   (UA) United Airlines 531
Departure Airport:   (DCA) Ronald Reagan National Airport
Departure City   Washington, DC, US
Arrival Airport:   (ORD) O'Hare International Airport
Arrival City:   Chicago, IL, US

UA 531 On-time Performance Rating Details

Overall Rating

4.2 of 5
Good
On-time:
Avg. Delay:
97%
15 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2, shows that this flight has on-time performance characteristics better than 84% of all other flights in the FlightStats database.

On-time Performance

5 of 5
Very Good
On-time: 97%
This flight has an on-time performance of 97%. 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

3.5 of 5
Average
Avg. Delay: 15 min
This flight has an average delay of 15 minutes with a standard deviation of 15.04 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

UA 531 On-time Performance Summary

  On-time Performance
  Delay Statistics
On-time Arrival Performance for this Flight
On-time 45 97%
Late 0 0%
Very Late 1 2%
Excessive 0 0%
Canceled 0 0%
Diverted 0 0%
Total Flights 46
*Due to rounding approximations, values may not add up exactly to 100%
Aggregate Arrival Delay Statistics for this Flight
Observations 3
Average Delay (min.) 15.00
Standard Deviation 15.04
Min 6
Max 33
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