(UA) United Airlines 4229 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(BRO) Brownsville South Padre Island Intl Airport

Brownsville, TX, US

On-Time Performance Chart

(using rounded numbers)

On-Time

95%

Late

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

20.5

Standard Deviation

19.1

Min

Max

UA 4229 On-Time Performance Details

Overall Rating

4.0 of 5

Good

Percentage On-Time 95%

Average Delay Time 20.5 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 79% of all other flights in the FlightStats database.

On-Time Performance Rating

4.9 of 5

Very Good

Percentage On-Time 95%

This flight has an on-time performance of 95%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.

Delay Performance

3.1 of 5

Average

Average Delay Time 20.5 min

This flight has an average delay of 20.5 minutes with a standard deviation of 19.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.