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(UA) United Airlines 4821 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-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
37
80%
Late
2
4%
Very Late
2
4%
Excessive
5
11%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
46
Total Delays ( > 1 min )
13
Codeshares
46
Average Delay (min.)
79.07692307692308
Standard Deviation
91.2
Min
0
Max
256

UA 4821 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 80%
Average Delay Time 79.07692307692308 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 79.07692307692308 min
This flight has an average delay of 79.07692307692308 minutes with a standard deviation of 91.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.