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(UA) United Airlines 4859 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(LBB) Lubbock Preston Smith International Airport

Lubbock, TX, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
77%
Late
3
5%
Very Late
2
4%
Excessive
8
14%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
22
Codeshares
56
Average Delay (min.)
50.72727272727273
Standard Deviation
62.3
Min
0
Max
206

UA 4859 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 77%
Average Delay Time 50.72727272727273 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 40% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 77%
This flight has an on-time performance of 77%. 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
0.5 of 5
Very Poor
Average Delay Time 50.72727272727273 min
This flight has an average delay of 50.72727272727273 minutes with a standard deviation of 62.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.