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(UA) United Airlines 3540 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(LGA) New York LaGuardia Airport

New York, NY, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
4
36%
Late
2
18%
Very Late
0
0%
Excessive
1
9%
Cancelled
4
36%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
3
Codeshares
11
Average Delay (min.)
45.666666666666664
Standard Deviation
39.3
Min
0
Max
91

UA 3540 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 36%
Average Delay Time 45.666666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 14% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 36%
This flight has an on-time performance of 36%. 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
1.5 of 5
Poor
Average Delay Time 45.666666666666664 min
This flight has an average delay of 45.666666666666664 minutes with a standard deviation of 39.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.

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