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(UA) United Airlines 4248 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(TYS) Knoxville McGhee Tyson Airport

Knoxville, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
77%
Late
1
5%
Very Late
0
0%
Excessive
1
5%
Cancelled
3
14%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
22
Total Delays ( > 1 min )
6
Codeshares
22
Average Delay (min.)
20.666666666666668
Standard Deviation
29
Min
0
Max
77

UA 4248 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 77%
Average Delay Time 20.666666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 70% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
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 69% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 20.666666666666668 min
This flight has an average delay of 20.666666666666668 minutes with a standard deviation of 29 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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