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(UA) United Airlines 4019 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
32
89%
Late
0
0%
Very Late
1
3%
Excessive
2
6%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
36
Total Delays ( > 1 min )
8
Codeshares
36
Average Delay (min.)
31.75
Standard Deviation
43.7
Min
0
Max
132

UA 4019 On-Time Performance Details

Overall Rating
3.8 of 5
Good
Percentage On-Time 89%
Average Delay Time 31.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 75% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. 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
2.7 of 5
Average
Average Delay Time 31.75 min
This flight has an average delay of 31.75 minutes with a standard deviation of 43.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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