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(UA) United Airlines 4497 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-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
86%
Late
0
0%
Very Late
1
2%
Excessive
5
9%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
7
Codeshares
56
Average Delay (min.)
83.14285714285714
Standard Deviation
59.9
Min
0
Max
191

UA 4497 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 89%
Average Delay Time 83.14285714285714 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 50% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 83.14285714285714 min
This flight has an average delay of 83.14285714285714 minutes with a standard deviation of 59.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.

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