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(UA) United Airlines 4588 On-time Performance Rating

Date Range:

01-Sep-2018 to 31-Oct-2018

(STL) Lambert-St. Louis International Airport

Saint Louis, MO, US

(ORD) O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
93%
Late
1
2%
Very Late
0
0%
Excessive
2
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
43
Total Delays ( > 1 min )
8
Codeshares
43
Average Delay (min.)
28
Standard Deviation
33.4
Min
0
Max
98

UA 4588 On-time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 93%
Average Delay Time 28 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 69% of all other flights in the FlightStats database.
On-time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 93%
This flight has an on-time performance of 93%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 28 min
This flight has an average delay of 28 minutes with a standard deviation of 33.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.