Washington Dulles International ⇄ Zurich IAD–ZRH
Airlines flew 1,360 flights between Washington Dulles International IAD in Washington, DC and Zurich, Switzerland ZRH in Zurich, CH in the twelve months to July 2026, both directions together: 226,849 passengers in 303,486 seats, 75% of them filled, and 15,011,976 pounds of freight. 4,157 miles, about 237 minutes in the air, on 7 airlines: United Air Lines Inc. (713), Swiss International Airlines (639), JetClub AG (4), Jet Story (1) and 3 more.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 98 |
| 2/25 | 64 |
| 3/25 | 108 |
| 4/25 | 116 |
| 5/25 | 124 |
| 6/25 | 118 |
| 7/25 | 119 |
| 8/25 | 121 |
| 9/25 | 120 |
| 10/25 | 118 |
| 11/25 | 102 |
| 12/25 | 113 |
| 1/26 | 100 |
| 2/26 | 98 |
| 3/26 | 107 |
| 4/26 | 120 |
| 5/26 | 122 |
| 6/26 | 122 |
| 7/26 | 117 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 14,360 |
| 2/25 | 8,197 |
| 3/25 | 14,746 |
| 4/25 | 18,284 |
| 5/25 | 20,267 |
| 6/25 | 21,567 |
| 7/25 | 23,212 |
| 8/25 | 24,224 |
| 9/25 | 20,349 |
| 10/25 | 19,262 |
| 11/25 | 14,570 |
| 12/25 | 19,676 |
| 1/26 | 17,103 |
| 2/26 | 13,288 |
| 3/26 | 18,097 |
| 4/26 | 19,448 |
| 5/26 | 18,709 |
| 6/26 | 20,151 |
| 7/26 | 21,972 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 713 | 118,243 | 78% | scheduled passenger service |
| Swiss International Airlines LX | 639 | 108,399 | 72% | scheduled passenger service |
| JetClub AG 0J | 4 | 4 | 10% | charter passenger service |
| Jet Story 24Q | 1 | 3 | 21% | charter passenger service |
| Albinati aviation Limited 26Q | 1 | 4 | 29% | charter passenger service |
| Delta Air Lines Inc. DL | 1 | 192 | 86% | scheduled passenger service |
| FAI rent-a-jet AG IFQ | 1 | 4 | 27% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Airbus Industrie A330-200 | 640 | 236 | 108,591 |
| Boeing 767-300/300ER | 463 | 202 | 74,613 |
| Boeing 767-400/ER | 192 | 230 | 33,876 |
| B787-800 Dreamliner | 40 | 243 | 6,414 |
| Boeing 777-200ER/200LR/233LR | 16 | 276 | 3,010 |
| Lear 55 | 4 | 10 | 4 |
| B787-900 Dreamliner | 2 | 257 | 330 |
| Bombardier BD-700 Global Express | 1 | 15 | 4 |
| Bombardier Global 5000 | 1 | 14 | 3 |
| Dassault Falcon 7X | 1 | 14 | 4 |
IAD → ZRH this direction alone · flown January 2025 to July 2026
678 flights of 365 scheduled, 121,778 passengers in 151,829 seats, 2,368,089 pounds of freight, 11,740 pounds of mail. United Air Lines Inc. 357; Swiss International Airlines 319; JetClub AG 2.
ZRH → IAD this direction alone · flown January 2025 to July 2026
682 flights of 365 scheduled, 105,071 passengers in 151,657 seats, 12,643,887 pounds of freight, 19,106 pounds of mail. United Air Lines Inc. 356; Swiss International Airlines 320; JetClub AG 2; Jet Story 1; Albinati aviation Limited 1; Delta Air Lines Inc. 1; FAI rent-a-jet AG 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 Zurich, Switzerland ZRH; all routes.