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(DL) Delta Air Lines 497 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
51
82%
Late
4
6%
Very Late
1
2%
Excessive
5
8%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
20
Codeshares
0
Average Delay (min.)
30.4
Standard Deviation
32.5
Min
0
Max
105

DL 497 On-Time Performance Details

Overall Rating
3.8 of 5
Good
Percentage On-Time 84%
Average Delay Time 30.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 75% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 30.4 min
This flight has an average delay of 30.4 minutes with a standard deviation of 32.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.