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(DL) Delta Air Lines 629 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
49
80%
Late
6
10%
Very Late
3
5%
Excessive
2
3%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
25
Codeshares
0
Average Delay (min.)
20.72
Standard Deviation
28.6
Min
0
Max
139

DL 629 On-Time Performance Details

Overall Rating
4.5 of 5
Good
Percentage On-Time 80%
Average Delay Time 20.72 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.5 shows that this flight has on-time performance characteristics better than 89% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 20.72 min
This flight has an average delay of 20.72 minutes with a standard deviation of 28.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.