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(UA) United Airlines 1543 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(EWR) Newark Liberty International Airport

Newark, NJ, US

(SJU) Luis Munoz Marin International Airport

San Juan, PR

On-Time Performance Chart

(using rounded numbers)
On-Time
35
57%
Late
13
21%
Very Late
3
5%
Excessive
7
11%
Cancelled
2
3%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
35
Codeshares
0
Average Delay (min.)
27.97142857142857
Standard Deviation
29.3
Min
0
Max
133

UA 1543 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 58%
Average Delay Time 27.97142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 34% 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
3.5 of 5
Average
Average Delay Time 27.97142857142857 min
This flight has an average delay of 27.97142857142857 minutes with a standard deviation of 29.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.