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(UA) United Airlines 4012 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(BDL) Bradley International Airport

Hartford, CT, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
46%
Late
10
24%
Very Late
3
7%
Excessive
5
12%
Cancelled
3
7%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
40
Total Delays ( > 1 min )
22
Codeshares
40
Average Delay (min.)
38.59090909090909
Standard Deviation
41.6
Min
0
Max
149

UA 4012 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 48%
Average Delay Time 38.59090909090909 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 16% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 48%
This flight has an on-time performance of 48%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 38.59090909090909 min
This flight has an average delay of 38.59090909090909 minutes with a standard deviation of 41.6 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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