background

(UA) United Airlines 555 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-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
39
76%
Late
5
10%
Very Late
2
4%
Excessive
4
8%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
18
Codeshares
0
Average Delay (min.)
35
Standard Deviation
40.7
Min
0
Max
137

UA 555 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 77%
Average Delay Time 35 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 39% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 35 min
This flight has an average delay of 35 minutes with a standard deviation of 40.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

Other Stops for UA 555