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(UA) United Airlines 555 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(EWR) Newark Liberty International Airport

Newark, NJ, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
29
83%
Late
2
6%
Very Late
2
6%
Excessive
0
0%
Cancelled
0
0%
Diverted
2
6%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
19
Standard Deviation
14.9
Min
0
Max
42

UA 555 On-Time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 88%
Average Delay Time 19 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 82% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very 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 93% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 19 min
This flight has an average delay of 19 minutes with a standard deviation of 14.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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