(UA) United Airlines 1851 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(LAX) Los Angeles International Airport

Los Angeles, CA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

86%

Late

Very Late

Excessive

14%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

Standard Deviation

4.2

Min

Max

UA 1851 On-Time Performance Details

Overall Rating

2.5 of 5

Average

Percentage On-Time 86%

Average Delay Time 64 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.

On-Time Performance Rating

4.1 of 5

Good

Percentage On-Time 86%

This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.

Delay Performance

0.9 of 5

Poor

Average Delay Time 64 min

This flight has an average delay of 64 minutes with a standard deviation of 4.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.