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(UA) United Airlines 3897 On-time Performance Rating

Date Range:

15-Jul-2018 to 15-Sep-2018

(TYS) McGhee Tyson Airport

Knoxville, TN, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
36
64%
Late
8
14%
Very Late
1
2%
Excessive
9
16%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
22
Codeshares
55
Average Delay (min.)
50
Standard Deviation
54.3
Min
1
Max
180

UA 3897 On-time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 65%
Average Delay Time 50 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 7% of all other flights in the FlightStats database.
On-time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 50 min
This flight has an average delay of 50 minutes with a standard deviation of 54.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.