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(UA) United Airlines 4530 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(TYS) Knoxville McGhee Tyson Airport

Knoxville, TN, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
85%
Late
1
8%
Very Late
1
8%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
13
Total Delays ( > 1 min )
7
Codeshares
13
Average Delay (min.)
14.142857142857142
Standard Deviation
13.3
Min
0
Max
43

UA 4530 On-Time Performance Details

Overall Rating
3.8 of 5
Good
Percentage On-Time 85%
Average Delay Time 14.142857142857142 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 74% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. 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
3.9 of 5
Good
Average Delay Time 14.142857142857142 min
This flight has an average delay of 14.142857142857142 minutes with a standard deviation of 13.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

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