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(UA) United Airlines 1511 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(EWR) Newark Liberty International Airport

Newark, NJ, US

(MIA) Miami International Airport

Miami, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
32
58%
Late
8
15%
Very Late
4
7%
Excessive
9
16%
Cancelled
2
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
28
Codeshares
0
Average Delay (min.)
48.464285714285715
Standard Deviation
57.5
Min
0
Max
268

UA 1511 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 58%
Average Delay Time 48.464285714285715 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 3% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 58%
This flight has an on-time performance of 58%. 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
0.4 of 5
Very Poor
Average Delay Time 48.464285714285715 min
This flight has an average delay of 48.464285714285715 minutes with a standard deviation of 57.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 8% of other flights.

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