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(UA) United Airlines 4534 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(LEX) Blue Grass Airport

Lexington, KY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
68%
Late
1
5%
Very Late
0
0%
Excessive
4
18%
Cancelled
0
0%
Diverted
2
9%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
7
Codeshares
20
Average Delay (min.)
80.14285714285714
Standard Deviation
78.3
Min
0
Max
211

UA 4534 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 75%
Average Delay Time 80.14285714285714 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 17% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 80.14285714285714 min
This flight has an average delay of 80.14285714285714 minutes with a standard deviation of 78.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.

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