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(UA) United Airlines 1524 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
79%
Late
5
8%
Very Late
1
2%
Excessive
5
8%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
18
Codeshares
0
Average Delay (min.)
38
Standard Deviation
48.9
Min
0
Max
179

UA 1524 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 82%
Average Delay Time 38 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 65% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. 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
2.1 of 5
Average
Average Delay Time 38 min
This flight has an average delay of 38 minutes with a standard deviation of 48.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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