(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:   October 1, 2016 to November 30, 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

3.7 of 5
Good
On-time:
Avg. Delay:
83%
19 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.7, shows that this flight has on-time performance characteristics better than 73% of all other flights in the FlightStats database.

On-time Performance

3.9 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 78% of other flights.

Delay Performance

3.5 of 5
Average
Avg. Delay: 19 min
This flight has an average delay of 19 minutes with a standard deviation of 20.94 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 47 83%
Late 5 8%
Very Late 3 5%
Excessive 1 1%
Canceled 0 0%
Diverted 0 0%
Total Flights 56
*Due to rounding approximations, values may not add up exactly to 100%
Aggregate Arrival Delay Statistics for this Flight
Observations 18
Average Delay (min.) 19.00
Standard Deviation 20.94
Min 2
Max 88
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