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(UA) United Airlines 4042 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(TYS) Knoxville McGhee Tyson Airport

Knoxville, TN, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
16
59%
Late
3
11%
Very Late
1
4%
Excessive
6
22%
Cancelled
0
0%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
13
Codeshares
26
Average Delay (min.)
69.07692307692308
Standard Deviation
93.2
Min
0
Max
343

UA 4042 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 62%
Average Delay Time 69.07692307692308 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 1% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 62%
This flight has an on-time performance of 62%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 69.07692307692308 min
This flight has an average delay of 69.07692307692308 minutes with a standard deviation of 93.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.

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