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(UA) United Airlines 555 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(MIA) Miami International Airport

Miami, FL, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
1
25%
Late
0
0%
Very Late
1
25%
Excessive
1
25%
Cancelled
1
25%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
4
Total Delays ( > 1 min )
2
Codeshares
0
Average Delay (min.)
77
Standard Deviation
48.1
Min
0
Max
111

UA 555 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 25%
Average Delay Time 77 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 25%
This flight has an on-time performance of 25%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 77 min
This flight has an average delay of 77 minutes with a standard deviation of 48.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.

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