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(UA) United Airlines 499 On-time Performance Rating

Date Range:

01-May-2018 to 30-Jun-2018

(ORD) O'Hare International AirportChicago, IL, US
(SFO) San Francisco International AirportSan Francisco, CA, US
On-Time Performance Chart
(using rounded numbers)
On-Time
21
78%
Late
3
11%
Very Late
0
0%
Excessive
2
7%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
45
Standard Deviation
77.8
Min
0
Max
244
UA 499 On-time Performance Details
Overall Rating
2.3 of 5
Average
Percentage On-Time 78%
Average Delay Time 45 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 44% of all other flights in the FlightStats database.
On-time Performance Rating
3.6 of 5
Good
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 45 min
This flight has an average delay of 45 minutes with a standard deviation of 77.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.