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(UA) United Airlines 4030 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(GSP) Greenville-Spartanburg International Airport

Greenville, SC, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
78%
Late
1
4%
Very Late
1
4%
Excessive
0
0%
Cancelled
4
15%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
6
Codeshares
27
Average Delay (min.)
13.833333333333334
Standard Deviation
10.7
Min
0
Max
32

UA 4030 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 78%
Average Delay Time 13.833333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 76% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 13.833333333333334 min
This flight has an average delay of 13.833333333333334 minutes with a standard deviation of 10.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.