(BA) British Airways 4789 On-time Performance Rating

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BA 4789 Historical On-time Performance Ratings

Route:   Buffalo to Chicago
Date Range:   August 1, 2017 to September 30, 2017
Flight:   (BA) British Airways 4789
Departure Airport:   (BUF) Buffalo Niagara International Airport
Departure City   Buffalo, NY, US
Arrival Airport:   (ORD) O'Hare International Airport
Arrival City:   Chicago, IL, US

BA 4789 On-time Performance Rating Details

Overall Rating

2.5 of 5
Average
On-time:
Avg. Delay:
71%
21 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5, shows that this flight has on-time performance characteristics better than 48% of all other flights in the FlightStats database.

On-time Performance

1.4 of 5
Poor
On-time: 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.

Delay Performance

3.5 of 5
Average
Avg. Delay: 21 min
This flight has an average delay of 21 minutes with a standard deviation of 30.41 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

BA 4789 On-time Performance Summary

  On-time Performance
  Delay Statistics
On-time Arrival Performance for this Flight
On-time 15 71%
Late 4 19%
Very Late 0 0%
Excessive 2 9%
Canceled 0 0%
Diverted 0 0%
Total Flights 21
*Due to rounding approximations, values may not add up exactly to 100%
Aggregate Arrival Delay Statistics for this Flight
Observations 15
Average Delay (min.) 21.00
Standard Deviation 30.41
Min 0
Max 114
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