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(UA) United Airlines 4778 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
20
74%
Late
2
7%
Very Late
1
4%
Excessive
3
11%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
15
Codeshares
27
Average Delay (min.)
21
Standard Deviation
22.3
Min
0
Max
76

UA 4778 On-time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 74%
Average Delay Time 21 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 46% of all other flights in the FlightStats database.
On-time Performance Rating
1.4 of 5
Poor
Percentage On-Time 74%
This flight has an on-time performance of 74%. 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
3.3 of 5
Average
Average Delay Time 21 min
This flight has an average delay of 21 minutes with a standard deviation of 22.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.