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(UA) United Airlines 4049 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-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
35
83%
Late
4
10%
Very Late
1
2%
Excessive
1
2%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
41
Total Delays ( > 1 min )
13
Codeshares
41
Average Delay (min.)
16.23076923076923
Standard Deviation
13.7
Min
0
Max
50

UA 4049 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 85%
Average Delay Time 16.23076923076923 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 87% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 16.23076923076923 min
This flight has an average delay of 16.23076923076923 minutes with a standard deviation of 13.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.

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