Washington Dulles International ⇄ Buffalo Niagara International IAD–BUF
Airlines flew 2,259 flights between Washington Dulles International IAD in Washington, DC and Buffalo Niagara International BUF in Buffalo, NY in the twelve months to July 2026, both directions together: 108,338 passengers in 125,997 seats, 86% of them filled, and 3 pounds of freight. 283 miles, about 51 minutes in the air, on 10 airlines: CommuteAir LLC dba CommuteAir (1,331), GoJet Airlines LLC d/b/a United Express (416), Republic Airline (279), Mesa Airlines Inc. (212) and 6 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 | 190 |
| 2/25 | 167 |
| 3/25 | 163 |
| 4/25 | 230 |
| 5/25 | 240 |
| 6/25 | 222 |
| 7/25 | 230 |
| 8/25 | 228 |
| 9/25 | 197 |
| 10/25 | 181 |
| 11/25 | 172 |
| 12/25 | 146 |
| 1/26 | 127 |
| 2/26 | 136 |
| 3/26 | 216 |
| 4/26 | 214 |
| 5/26 | 232 |
| 6/26 | 210 |
| 7/26 | 200 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 8,601 |
| 2/25 | 7,237 |
| 3/25 | 7,499 |
| 4/25 | 11,162 |
| 5/25 | 13,608 |
| 6/25 | 10,578 |
| 7/25 | 11,965 |
| 8/25 | 11,985 |
| 9/25 | 10,308 |
| 10/25 | 8,136 |
| 11/25 | 7,661 |
| 12/25 | 6,867 |
| 1/26 | 5,721 |
| 2/26 | 6,389 |
| 3/26 | 9,464 |
| 4/26 | 9,325 |
| 5/26 | 11,954 |
| 6/26 | 9,674 |
| 7/26 | 10,854 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| CommuteAir LLC dba CommuteAir C5 | 1,331 | 60,043 | 90% | scheduled passenger service |
| GoJet Airlines LLC d/b/a United Express G7 | 416 | 17,452 | 84% | scheduled passenger service |
| Republic Airline YX | 279 | 17,019 | 81% | scheduled passenger service |
| Mesa Airlines Inc. YV | 212 | 12,469 | 80% | scheduled passenger service |
| United Air Lines Inc. UA | 10 | 971 | 72% | scheduled passenger service |
| Delta Air Lines Inc. DL | 4 | 153 | 53% | charter passenger service |
| Air Canada AC | 3 | 156 | 74% | charter passenger service |
| Tradewind Aviation TJ | 2 | 4 | 25% | charter passenger service |
| Global Crossing Airlines, Inc. GCA | 1 | 0 | 0% | charter passenger service |
| Breeze Aviation Group DBA Breeze MX | 1 | 71 | 52% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer-145 | 1,331 | 50 | 60,043 |
| Embraer ERJ-175 | 451 | 75 | 27,047 |
| Bombardier CRJ550 | 416 | 50 | 17,452 |
| Embraer-Emb-170 | 40 | 70 | 2,441 |
| Boeing 737-700/700LR/Max 7 | 6 | 126 | 466 |
| Airbus Industrie A320-100/200 | 4 | 98 | 156 |
| Boeing 757-200 | 4 | 72 | 153 |
| Pilatus PC-12 | 2 | 8 | 4 |
| Airbus Industrie A319 | 2 | 126 | 187 |
| Boeing B737 Max 800 | 2 | 166 | 318 |
| A220-300 BD-500-1A11 | 1 | 137 | 71 |
IAD → BUF this direction alone · flown January 2025 to July 2026
1,129 flights of 1,152 scheduled, 54,312 passengers in 62,944 seats, 3 pounds of freight. CommuteAir LLC dba CommuteAir 666; GoJet Airlines LLC d/b/a United Express 209; Republic Airline 138; Mesa Airlines Inc. 106; United Air Lines Inc. 5; Air Canada 2; Delta Air Lines Inc. 1; Global Crossing Airlines, Inc. 1; Tradewind Aviation 1.
BUF → IAD this direction alone · flown January 2025 to July 2026
1,130 flights of 1,152 scheduled, 54,026 passengers in 63,053 seats. CommuteAir LLC dba CommuteAir 665; GoJet Airlines LLC d/b/a United Express 207; Republic Airline 141; Mesa Airlines Inc. 106; United Air Lines Inc. 5; Delta Air Lines Inc. 3; Air Canada 1; Breeze Aviation Group DBA Breeze 1; Tradewind Aviation 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 Buffalo Niagara International BUF; all routes.