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(DL) Delta Air Lines 473 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
46
77%
Late
1
2%
Very Late
1
2%
Excessive
9
15%
Cancelled
3
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
18
Codeshares
0
Average Delay (min.)
59.72222222222222
Standard Deviation
98.9
Min
0
Max
436

DL 473 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 77%
Average Delay Time 59.72222222222222 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 59.72222222222222 min
This flight has an average delay of 59.72222222222222 minutes with a standard deviation of 98.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.