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(UA) United Airlines 4003 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(LGA) New York LaGuardia Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
25
78%
Late
4
13%
Very Late
2
6%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
32
Total Delays ( > 1 min )
9
Codeshares
32
Average Delay (min.)
32.888888888888886
Standard Deviation
35.5
Min
0
Max
124

UA 4003 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 78%
Average Delay Time 32.888888888888886 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 49% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 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 54% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 32.888888888888886 min
This flight has an average delay of 32.888888888888886 minutes with a standard deviation of 35.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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