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(UA) United Airlines 4179 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(RIC) Richmond International Airport

Richmond, VA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
84%
Late
0
0%
Very Late
1
2%
Excessive
7
12%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
11
Codeshares
56
Average Delay (min.)
103.18181818181819
Standard Deviation
84.5
Min
0
Max
222

UA 4179 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 86%
Average Delay Time 103.18181818181819 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 48% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 103.18181818181819 min
This flight has an average delay of 103.18181818181819 minutes with a standard deviation of 84.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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