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(UA) United Airlines 284 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
93%
Late
2
4%
Very Late
0
0%
Excessive
2
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
38.75
Standard Deviation
58.1
Min
0
Max
168

UA 284 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 93%
Average Delay Time 38.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 66% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 93%
This flight has an on-time performance of 93%. 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
1.7 of 5
Average
Average Delay Time 38.75 min
This flight has an average delay of 38.75 minutes with a standard deviation of 58.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.

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