Miami International ⇄ Washington Dulles International MIA–IAD
Airlines flew 1,305 flights between Miami International MIA in Miami, FL and Washington Dulles International IAD in Washington, DC in the twelve months to July 2026, both directions together: 185,465 passengers in 229,839 seats, 81% of them filled, and 187,442 pounds of freight. 922 miles, about 125 minutes in the air, on 15 airlines: United Air Lines Inc. (1,024), Frontier Airlines Inc. (222), American Airlines Inc. (16), Delta Air Lines Inc. (14) and 11 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 | 106 |
| 2/25 | 109 |
| 3/25 | 123 |
| 4/25 | 65 |
| 5/25 | 88 |
| 6/25 | 117 |
| 7/25 | 106 |
| 8/25 | 108 |
| 9/25 | 98 |
| 10/25 | 103 |
| 11/25 | 96 |
| 12/25 | 118 |
| 1/26 | 147 |
| 2/26 | 128 |
| 3/26 | 138 |
| 4/26 | 139 |
| 5/26 | 94 |
| 6/26 | 63 |
| 7/26 | 73 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 15,178 |
| 2/25 | 14,054 |
| 3/25 | 15,926 |
| 4/25 | 9,077 |
| 5/25 | 12,643 |
| 6/25 | 16,142 |
| 7/25 | 15,562 |
| 8/25 | 15,509 |
| 9/25 | 12,740 |
| 10/25 | 13,794 |
| 11/25 | 13,951 |
| 12/25 | 18,627 |
| 1/26 | 21,487 |
| 2/26 | 17,520 |
| 3/26 | 19,362 |
| 4/26 | 19,207 |
| 5/26 | 12,979 |
| 6/26 | 9,338 |
| 7/26 | 10,951 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 1,024 | 149,021 | 83% | scheduled passenger service |
| Frontier Airlines Inc. F9 | 222 | 33,086 | 73% | scheduled passenger service |
| American Airlines Inc. AA | 16 | 2,200 | 78% | charter passenger service, scheduled passenger service |
| Delta Air Lines Inc. DL | 14 | 867 | 77% | charter passenger service, scheduled passenger service |
| Jet Aviation Flight Services, Inc. 27Q | 13 | 41 | 23% | charter passenger service |
| Caribbean Sun Airlines, Inc. d/b/a World Atlantic Airlines WL | 5 | 28 | 4% | charter passenger service |
| Amerijet International M6 | 2 | 0 | scheduled cargo service | |
| Republic Airline YX | 2 | 150 | 99% | scheduled passenger service |
| Titan Airways 02Q | 1 | 0 | 0% | charter passenger service |
| Scott Aviation, LLC d/b/a Silver Air 3EQ | 1 | 7 | 78% | charter passenger service |
| Global Crossing Airlines, Inc. GCA | 1 | 0 | 0% | charter passenger service |
| Sparfell Luftfahrt GmbH LDQ | 1 | 0 | 0% | charter passenger service |
| Air Alsie A/S 15Q | 1 | 2 | 14% | charter passenger service |
| Jet Story 24Q | 1 | 7 | 41% | charter passenger service |
| Omni Air International LLC X9 | 1 | 56 | 16% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-900ER | 459 | 179 | 68,221 |
| Boeing 737-800 | 225 | 166 | 30,900 |
| Boeing B737 Max 900 | 224 | 179 | 35,744 |
| Boeing B737 Max 800 | 125 | 166 | 15,314 |
| Airbus Industrie A320-200n | 122 | 186 | 16,643 |
| Airbus Industrie A321-200n | 64 | 226 | 10,431 |
| Airbus Industrie A321Neoxlr | 35 | 224 | 5,945 |
| Boeing 757-200 | 14 | 79 | 837 |
| Gulfstream G450 | 11 | 14 | 39 |
| Airbus Industrie A320-100/200 | 9 | 182 | 1,011 |
| McDonnell Douglas DC9 Super 80/MD81/82/83/88 | 5 | 155 | 28 |
| Boeing 767-300/300ER | 3 | 117 | 56 |
| Embraer ERJ-175 | 2 | 76 | 150 |
| Bomardier Challenger 350 | 1 | 9 | 7 |
| Airbus Industrie A319 | 1 | 128 | 128 |
| Bombardier Global 7500 BD-7500 | 1 | 14 | 0 |
| Gulfstream Aerospace G-III/G-IV | 1 | 16 | 1 |
| Gulfstream Aerospace Gulfstream G280 | 1 | 8 | 1 |
| Dassault Falcon 7X | 1 | 14 | 2 |
| Bombardier Global 6000/Global Xrs | 1 | 17 | 7 |
MIA → IAD this direction alone · flown January 2025 to July 2026
655 flights of 638 scheduled, 96,467 passengers in 116,042 seats, 76,578 pounds of freight, 74,833 pounds of mail. United Air Lines Inc. 515; Frontier Airlines Inc. 111; American Airlines Inc. 15; Jet Aviation Flight Services, Inc. 4; Delta Air Lines Inc. 3; Caribbean Sun Airlines, Inc. d/b/a World Atlantic Airlines 2; Titan Airways 1; Scott Aviation, LLC d/b/a Silver Air 1; Global Crossing Airlines, Inc. 1; Sparfell Luftfahrt GmbH 1; Amerijet International 1.
IAD → MIA this direction alone · flown January 2025 to July 2026
650 flights of 625 scheduled, 88,998 passengers in 113,797 seats, 110,864 pounds of freight, 41,895 pounds of mail. United Air Lines Inc. 509; Frontier Airlines Inc. 111; Delta Air Lines Inc. 11; Jet Aviation Flight Services, Inc. 9; Caribbean Sun Airlines, Inc. d/b/a World Atlantic Airlines 3; Republic Airline 2; Air Alsie A/S 1; Jet Story 1; American Airlines Inc. 1; Amerijet International 1; Omni Air International LLC 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: Miami International MIA and Washington Dulles International IAD; all routes.