Washington Dulles International ⇄ Nashville International IAD–BNA
Airlines flew 2,065 flights between Washington Dulles International IAD in Washington, DC and Nashville International BNA in Nashville, TN in the twelve months to July 2026, both directions together: 231,200 passengers in 304,205 seats, 76% of them filled, and 21,831 pounds of freight. 542 miles, about 85 minutes in the air, on 13 airlines: United Air Lines Inc. (1,848), Republic Airline (78), Allegiant Air (74), Mesa Airlines Inc. (38) and 9 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 | 129 |
| 2/25 | 112 |
| 3/25 | 181 |
| 4/25 | 221 |
| 5/25 | 259 |
| 6/25 | 257 |
| 7/25 | 199 |
| 8/25 | 200 |
| 9/25 | 158 |
| 10/25 | 190 |
| 11/25 | 179 |
| 12/25 | 174 |
| 1/26 | 119 |
| 2/26 | 133 |
| 3/26 | 175 |
| 4/26 | 181 |
| 5/26 | 175 |
| 6/26 | 184 |
| 7/26 | 197 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 12,173 |
| 2/25 | 11,402 |
| 3/25 | 17,522 |
| 4/25 | 20,702 |
| 5/25 | 28,325 |
| 6/25 | 29,955 |
| 7/25 | 22,201 |
| 8/25 | 20,537 |
| 9/25 | 18,825 |
| 10/25 | 23,883 |
| 11/25 | 18,922 |
| 12/25 | 14,673 |
| 1/26 | 9,651 |
| 2/26 | 14,367 |
| 3/26 | 20,299 |
| 4/26 | 18,961 |
| 5/26 | 21,314 |
| 6/26 | 24,856 |
| 7/26 | 24,912 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 1,848 | 213,345 | 76% | scheduled passenger service |
| Republic Airline YX | 78 | 5,162 | 87% | scheduled passenger service |
| Allegiant Air G4 | 74 | 9,032 | 77% | scheduled passenger service |
| Mesa Airlines Inc. YV | 38 | 2,348 | 84% | scheduled passenger service |
| Delta Air Lines Inc. DL | 7 | 526 | 57% | charter passenger service, scheduled passenger service |
| CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle LF | 4 | 13 | 41% | charter passenger service |
| SkyWest Airlines Inc. OO | 4 | 73 | 29% | scheduled passenger service |
| Sun Country Airlines d/b/a MN Airlines SY | 3 | 160 | 29% | charter passenger service |
| Southwest Airlines Co. WN | 3 | 227 | 49% | scheduled passenger service |
| CommuteAir LLC dba CommuteAir C5 | 2 | 51 | 51% | scheduled passenger service |
| TEM Enterprises dba Avelo Airlines XP | 2 | 164 | 49% | charter passenger service |
| Air Canada AC | 1 | 51 | 73% | charter passenger service |
| PSA Airlines Inc. OH | 1 | 48 | 63% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Airbus Industrie A320-100/200 | 477 | 150 | 56,847 |
| Airbus Industrie A319 | 347 | 132 | 34,532 |
| Boeing 737-800 | 305 | 166 | 37,950 |
| Boeing 737-700/700LR/Max 7 | 289 | 126 | 29,586 |
| Boeing B737 Max 900 | 192 | 179 | 24,853 |
| Boeing B737 Max 800 | 180 | 166 | 20,819 |
| Boeing 737-900ER | 142 | 179 | 18,494 |
| Embraer ERJ-175 | 117 | 75 | 7,533 |
| Cessna 510 Mustang/560XL Citation Excel | 4 | 8 | 13 |
| Boeing 757-200 | 4 | 136 | 247 |
| Canadair RJ-200ER /RJ-440 | 2 | 50 | 0 |
| Embraer-145 | 2 | 50 | 51 |
| A200-100 BD-500-1A10 | 2 | 109 | 177 |
| Canadair CRJ 900 | 1 | 76 | 48 |
| Embraer-Emb-170 | 1 | 70 | 50 |
IAD → BNA this direction alone · flown January 2025 to July 2026
1,032 flights of 1,031 scheduled, 113,321 passengers in 149,112 seats, 13,622 pounds of freight. United Air Lines Inc. 925; Allegiant Air 37; Republic Airline 37; Mesa Airlines Inc. 19; CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle 3; SkyWest Airlines Inc. 3; Delta Air Lines Inc. 2; Air Canada 1; CommuteAir LLC dba CommuteAir 1; PSA Airlines Inc. 1; Sun Country Airlines d/b/a MN Airlines 1; Southwest Airlines Co. 1; TEM Enterprises dba Avelo Airlines 1.
BNA → IAD this direction alone · flown January 2025 to July 2026
1,033 flights of 1,028 scheduled, 117,879 passengers in 155,093 seats, 8,209 pounds of freight, 993 pounds of mail. United Air Lines Inc. 923; Republic Airline 41; Allegiant Air 37; Mesa Airlines Inc. 19; Delta Air Lines Inc. 5; Sun Country Airlines d/b/a MN Airlines 2; Southwest Airlines Co. 2; CommuteAir LLC dba CommuteAir 1; CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle 1; SkyWest Airlines Inc. 1; TEM Enterprises dba Avelo Airlines 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: Washington Dulles International IAD and Nashville International BNA; all routes.