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(UA) United Airlines 4631 On-time Performance Rating

Date Range:

01-Apr-2018 to 31-May-2018

(STL) Lambert-St. Louis International AirportSaint Louis, MO, US
(ORD) O'Hare International AirportChicago, IL, US
On-Time Performance Chart
(using rounded numbers)
On-Time
47
89%
Late
2
4%
Very Late
0
0%
Excessive
4
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
11
Codeshares
53
Average Delay (min.)
63
Standard Deviation
117.2
Min
4
Max
405
UA 4631 On-time Performance Details
Overall Rating
2.5 of 5
Average
Percentage On-Time 89%
Average Delay Time 63 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 49% of all other flights in the FlightStats database.
On-time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 63 min
This flight has an average delay of 63 minutes with a standard deviation of 117.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.