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(UA) United Airlines 555 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
88%
Late
1
4%
Very Late
1
4%
Excessive
0
0%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
19.666666666666668
Standard Deviation
18.6
Min
0
Max
39

UA 555 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 88%
Average Delay Time 19.666666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 76% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 19.666666666666668 min
This flight has an average delay of 19.666666666666668 minutes with a standard deviation of 18.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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