Washington to Guatemala City (IAD-GUA): nonstop flights and who flies them
United Airlines and Avianca fly the IAD to GUA nonstop about 13 times a week. The timetable below shows the nonstop scheduled at 4h 10m to 4h 42m for the 1,862 miles.
Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.
Updated .
Washington to Guatemala City flight schedule
Scheduled nonstop departures for IAD to GUA starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.
Schedule data dated .
| Date | Flight | Airline | Departs IAD | Arrives GUA | Duration | Aircraft |
|---|---|---|---|---|---|---|
| AV 655 | Avianca | 03:40 | 05:50 | 4h 10m | Airbus A320neo | |
| AV 655 | Avianca | 03:30 | 05:50 | 4h 20m | Airbus A320neo | |
| AV 645 | Avianca | 03:40 | 05:50 | 4h 10m | Airbus A320neo | |
| UA 1523 | United Airlines | 17:52 | 20:30 | 4h 38m | Boeing 737 MAX 8 | |
| AV 655 | Avianca | 03:30 | 05:50 | 4h 20m | Airbus A320neo | |
| UA 1523 | United Airlines | 17:52 | 20:30 | 4h 38m | Boeing 737 MAX 8 | |
| UA 1523 | United Airlines | 17:52 | 20:30 | 4h 38m | Boeing 737 MAX 8 | |
| AV 655 | Avianca | 03:30 | 05:50 | 4h 20m | Airbus A320neo | |
| UA 1523 | United Airlines | 17:43 | 20:25 | 4h 42m | Boeing 737 MAX 8 | |
| AV 655 | Avianca | 03:30 | 05:50 | 4h 20m | Airbus A320 | |
| UA 1523 | United Airlines | 17:43 | 20:25 | 4h 42m | Boeing 737 MAX 8 | |
| UA 1523 | United Airlines | 17:43 | 20:25 | 4h 42m | Boeing 737 MAX 8 |
Showing all 12 scheduled IAD to GUA departures across 7 days with service, starting October 23, 2026. Later dates are on the interactive map.
Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure.
Aircraft on the Washington to Guatemala City nonstop
In the schedule table on this page, Avianca flies the Airbus A320neo and the Airbus A320, and United Airlines flies the Boeing 737 MAX 8. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure.
The full IAD to GUA nonstop schedule
This page carries the full IAD to GUA nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.
See the schedule
Who operates each IAD to GUA nonstop and how often it runs, from 2LNR's schedule data.
Plan on the map
See IAD to GUA on the interactive route map, with schedules, connections, and route statistics.
Airlines flying Washington to Guatemala City nonstop
Carriers operating IAD to GUA nonstop in the current schedule.
Frequently asked questions about IAD to GUA
How long is the flight from Washington (IAD) to Guatemala City (GUA)?
Which airlines fly nonstop from IAD to GUA?
How many flights a week are there from IAD to GUA?
What time do flights from IAD to GUA depart?
Which flights operate IAD to GUA nonstop?
Does 2LNR show upgrade or award space on IAD to GUA?
See the full IAD to GUA nonstop schedule
Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro.
Get started free