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(UA) United Airlines 4821 On-Time Performance Rating

Date Range:

01-Sep-2025 to 31-Oct-2025

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(AMA) Rick Husband Amarillo International Airport

Amarillo, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
49
94%
Late
0
0%
Very Late
2
4%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
6
Codeshares
52
Average Delay (min.)
27
Standard Deviation
21.1
Min
0
Max
56

UA 4821 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 94%
Average Delay Time 27 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 78% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 94%
This flight has an on-time performance of 94%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 27 min
This flight has an average delay of 27 minutes with a standard deviation of 21.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.