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(UA) United Airlines 1831 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
74%
Late
3
5%
Very Late
3
5%
Excessive
7
11%
Cancelled
0
0%
Diverted
3
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
25
Codeshares
0
Average Delay (min.)
56.2
Standard Deviation
92
Min
0
Max
399

UA 1831 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 78%
Average Delay Time 56.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 56.2 min
This flight has an average delay of 56.2 minutes with a standard deviation of 92 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.