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(UA) United Airlines 4397 On-time Performance Rating

Date Range:

01-Oct-2018 to 30-Nov-2018

(TYS) McGhee Tyson Airport

Knoxville, TN, US

(ORD) O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
47
84%
Late
3
5%
Very Late
1
2%
Excessive
4
7%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
15
Codeshares
56
Average Delay (min.)
57
Standard Deviation
81
Min
4
Max
285

UA 4397 On-time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 84%
Average Delay Time 57 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.
On-time Performance Rating
4.2 of 5
Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 57 min
This flight has an average delay of 57 minutes with a standard deviation of 81 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.