Home / Routes / KSEA → KATL3,843 scheduled
SEA ATL4h 36m

The route from Seattle Tacoma International Airport (KSEA) in Seattle to Hartsfield Jackson Atlanta International Airport (KATL) in Atlanta. SkyMeter tracks roughly 3,843 scheduled flights on this route across 12 carriers. The most active operator is DAL (DAL). Average block time is 4h 31m. Departures average 35 minutes off schedule, with 69% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-900.

Scheduled
3,843
last 487 days
ADS-B observed
854
Airlines
12
Avg dep delay
35m
Late >15 min
68.9%
Cancel rate
0.73%

Airlines on this route

5 carriers · scheduled

Delta Air Lines
DAL · DL · 2,810 flights · avg 36m delay · 68.2% late
24 cancelled
Alaska Airlines
ASA · AS · 1,030 flights · avg 32m delay · 70.7% late
4 cancelled
Mn Airlines D/B/A Sun Country Airlines
SCX · SY · 1 flights · avg 44m delay · 100.0% late
Royal Air Freight
RAX · RAX · 1 flights · avg 71m delay · 100.0% late
Atlas Air
GTI · 5Y · 1 flights · avg 22m delay · 100.0% late

Recent observed flights

From ADS-B trace data

DAL797N585NWB753
2026-09-03 16:26  →  2026-09-03 20:40  ·  4h 13m
Replay
ASA464N251AKB739
2026-09-03 06:41  →  2026-09-03 11:18  ·  4h 37m
Replay
ASA727N274AKB739
2026-09-02 23:11  →  2026-09-03 03:57  ·  4h 45m
Replay
DAL542N553DTA21N
2026-09-02 20:48  →  2026-09-03 01:28  ·  4h 39m
Replay
DAL554N585NWB753
2026-09-02 18:55  →  2026-09-02 23:37  ·  4h 42m
Replay
ASA334N948AKB39M
2026-09-02 16:23  →  2026-09-02 20:55  ·  4h 32m
Replay
DAL797N593NWB753
2026-09-02 16:08  →  2026-09-02 20:52  ·  4h 43m
Replay
DAL562N596NWB753
2026-09-02 14:12  →  2026-09-02 19:07  ·  4h 54m
Replay
DAL569N865DNB739
2026-09-02 13:01  →  2026-09-02 17:42  ·  4h 40m
Replay
DAL652N503DZA21N
2026-09-02 06:53  →  2026-09-02 11:23  ·  4h 30m
Replay

Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells DAL 1815
sells DAL 1622
sells DAL 1457
sells DAL 1302
sells DAL 1048
sells ASA 886
sells ASA 783
sells DAL 695
sells DAL 682
sells ASA 604
sells DAL 437
sells ASA 281
sells ASA 158
sells ASA 154

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737-900
B739
39%
of flights
BOEING Boeing 757-300
B753
23%
of flights
AIRBUS Airbus A321 Neo
A21N
18%
of flights
BOEING Boeing 737 MAX 9
B39M
9%
of flights
BOEING Boeing 737-800
B738
5%
of flights
BOEING Boeing 757-200
B752
1%
of flights
BOEING Boeing 737 MAX 8
B38M
0%
of flights
AIRBUS Airbus A321
A321
0%
of flights

Looking for the return flight?

View KATL → KSEA