background

(UA) United Airlines 390 On-time Performance Rating

Date Range:

01-Apr-2018 to 31-May-2018

(SFO) San Francisco International AirportSan Francisco, CA, US
(ORD) O'Hare International AirportChicago, IL, US
On-Time Performance Chart
(using rounded numbers)
On-Time
33
65%
Late
6
12%
Very Late
4
8%
Excessive
7
14%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
50
Total Delays ( > 1 min )
26
Codeshares
0
Average Delay (min.)
31
Standard Deviation
28.4
Min
0
Max
105
UA 390 On-time Performance Details
Overall Rating
1.2 of 5
Poor
Percentage On-Time 66%
Average Delay Time 31 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.2 shows that this flight has on-time performance characteristics better than 22% of all other flights in the FlightStats database.
On-time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 66%
This flight has an on-time performance of 66%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 31 min
This flight has an average delay of 31 minutes with a standard deviation of 28.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.