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(UA) United Airlines 4603 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(ROC) Frederick Douglass Greater Rochester Intl Airport

Rochester, NY, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
70%
Late
4
13%
Very Late
1
3%
Excessive
4
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
30
Total Delays ( > 1 min )
12
Codeshares
30
Average Delay (min.)
59.833333333333336
Standard Deviation
84.2
Min
0
Max
287

UA 4603 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 70%
Average Delay Time 59.833333333333336 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
0.7 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 59.833333333333336 min
This flight has an average delay of 59.833333333333336 minutes with a standard deviation of 84.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

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