Seattle-Tacoma International ⇄ Miami International SEA–MIA
Airlines flew 2,646 flights between Seattle-Tacoma International SEA in Seattle, WA and Miami International MIA in Miami, FL in the twelve months to July 2026, both directions together: 377,280 passengers in 448,653 seats, 84% of them filled, and 19,893,655 pounds of freight. 2,724 miles, about 289 minutes in the air, on 8 airlines: American Airlines Inc. (899), Alaska Airlines Inc. (780), Delta Air Lines Inc. (716), China Airlines Ltd. (152) and 4 more. Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 218 |
| 2/25 | 179 |
| 3/25 | 198 |
| 4/25 | 184 |
| 5/25 | 197 |
| 6/25 | 194 |
| 7/25 | 200 |
| 8/25 | 208 |
| 9/25 | 200 |
| 10/25 | 207 |
| 11/25 | 206 |
| 12/25 | 259 |
| 1/26 | 222 |
| 2/26 | 185 |
| 3/26 | 201 |
| 4/26 | 201 |
| 5/26 | 230 |
| 6/26 | 259 |
| 7/26 | 268 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 31,446 |
| 2/25 | 26,227 |
| 3/25 | 28,211 |
| 4/25 | 29,067 |
| 5/25 | 30,174 |
| 6/25 | 30,115 |
| 7/25 | 31,308 |
| 8/25 | 30,748 |
| 9/25 | 25,211 |
| 10/25 | 23,770 |
| 11/25 | 28,406 |
| 12/25 | 38,458 |
| 1/26 | 32,365 |
| 2/26 | 26,984 |
| 3/26 | 30,378 |
| 4/26 | 29,622 |
| 5/26 | 33,052 |
| 6/26 | 37,533 |
| 7/26 | 40,753 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| American Airlines Inc. AA | 899 | 150,295 | 87% | scheduled passenger service |
| Alaska Airlines Inc. AS | 780 | 116,917 | 85% | charter passenger service, scheduled passenger service |
| Delta Air Lines Inc. DL | 716 | 110,068 | 79% | scheduled passenger service |
| China Airlines Ltd. CI | 152 | 0 | scheduled cargo service | |
| Lan Colombia L7 | 95 | 0 | scheduled cargo service | |
| Atlas Air Inc. 5Y | 2 | 0 | 0% | charter cargo service, charter passenger service |
| Kalitta Air LLC KAQ | 1 | 0 | charter cargo service | |
| Sky Lease Cargo WI | 1 | 0 | charter cargo service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Airbus Industrie A321-200n | 1,419 | 195 | 228,966 |
| Boeing B737 Max 900 | 498 | 178 | 75,810 |
| Boeing 737-900ER | 198 | 178 | 29,667 |
| Boeing B737 Max 800 | 186 | 170 | 28,400 |
| Boeing B777-F | 153 | 0 | 0 |
| Boeing 767-300/300ER | 97 | 3 | 0 |
| Boeing 737-800 | 52 | 161 | 6,983 |
| Airbus Industrie A321Neoxlr | 42 | 190 | 7,454 |
| Boeing 747-400F | 1 | 0 | 0 |
SEA → MIA this direction alone · flown January 2025 to July 2026
1,295 flights of 1,208 scheduled, 194,578 passengers in 224,259 seats, 8,841,771 pounds of freight, 7,474 pounds of mail. American Airlines Inc. 448; Alaska Airlines Inc. 392; Delta Air Lines Inc. 357; Lan Colombia 95; Atlas Air Inc. 2; Kalitta Air LLC 1.
MIA → SEA this direction alone · flown January 2025 to July 2026
1,351 flights of 1,218 scheduled, 182,702 passengers in 224,394 seats, 11,051,884 pounds of freight, 2,252 pounds of mail. American Airlines Inc. 451; Alaska Airlines Inc. 388; Delta Air Lines Inc. 359; China Airlines Ltd. 152; Sky Lease Cargo 1.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Seattle-Tacoma International SEA and Miami International MIA; all routes.
