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(DL) Delta Air Lines 475 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
29
88%
Late
0
0%
Very Late
1
3%
Excessive
3
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
44.857142857142854
Standard Deviation
34.8
Min
0
Max
99

DL 475 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 88%
Average Delay Time 44.857142857142854 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 63% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 44.857142857142854 min
This flight has an average delay of 44.857142857142854 minutes with a standard deviation of 34.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.

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