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(UA) United Airlines 4177 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(EWR) Newark Liberty International Airport

Newark, NJ, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
4
44%
Late
2
22%
Very Late
1
11%
Excessive
1
11%
Cancelled
1
11%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
9
Total Delays ( > 1 min )
4
Codeshares
9
Average Delay (min.)
34.75
Standard Deviation
23.7
Min
0
Max
69

UA 4177 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 44%
Average Delay Time 34.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 20% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 44%
This flight has an on-time performance of 44%. 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
2.1 of 5
Average
Average Delay Time 34.75 min
This flight has an average delay of 34.75 minutes with a standard deviation of 23.7 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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