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(UA) United Airlines 821 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(HKG) Hong Kong International Airport

Hong Kong, HK

(LAX) Los Angeles International Airport

Los Angeles, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
41
68%
Late
14
23%
Very Late
4
7%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
29
Codeshares
0
Average Delay (min.)
19.79310344827586
Standard Deviation
16.4
Min
0
Max
88

UA 821 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 68%
Average Delay Time 19.79310344827586 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 46% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 19.79310344827586 min
This flight has an average delay of 19.79310344827586 minutes with a standard deviation of 16.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.

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