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(UA) United Airlines 3439 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
1
50%
Late
0
0%
Very Late
1
50%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
2
Total Delays ( > 1 min )
1
Codeshares
2
Average Delay (min.)
41
Standard Deviation
0
Min
0
Max
41

UA 3439 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 50%
Average Delay Time 41 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 41 min
This flight has an average delay of 41 minutes with a standard deviation of 0 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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