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(UA) United Airlines 4018 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(SDF) Louisville Muhammad Ali International Airport

Louisville, KY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
67%
Late
1
5%
Very Late
0
0%
Excessive
5
24%
Cancelled
1
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
21
Total Delays ( > 1 min )
10
Codeshares
21
Average Delay (min.)
56.2
Standard Deviation
65.2
Min
0
Max
210

UA 4018 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 67%
Average Delay Time 56.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 9% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. 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
0.5 of 5
Very Poor
Average Delay Time 56.2 min
This flight has an average delay of 56.2 minutes with a standard deviation of 65.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.

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