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(UA) United Airlines 4497 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(EWR) Newark Liberty International Airport

Newark, NJ, US

(ACK) Nantucket Memorial Airport

Nantucket, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
79%
Late
2
3%
Very Late
2
3%
Excessive
7
11%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
17
Codeshares
61
Average Delay (min.)
50.76470588235294
Standard Deviation
53.8
Min
0
Max
191

UA 4497 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 82%
Average Delay Time 50.76470588235294 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 56% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 50.76470588235294 min
This flight has an average delay of 50.76470588235294 minutes with a standard deviation of 53.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.

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