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San Juan to Washington Jetlag Recovery Guide

Flying neutral from San Juan to Washington involves a timezone shift, rated "3" in difficulty. Below you will find departure timing tips, a day-by-day recovery plan, and seasonal advice.

San JuanWashington

SJU to IAD

Westbound
0-0 day recovery
2,531 km

Best Departure Times

12am
3am
6am
9am
12pm
3pm
6pm
9pm

Higher bars indicate departure times that minimize jetlag impact. Green = optimal, red = worst.

Flight Options

10

SJUIAD

4h 13m2,531 km2 airlines
10

SJUDCA

3h 57m2,506 km1 airline

Related Jetlag Routes

Frequently Asked Questions

Common questions about San Juan to Washington route

Jetlag from San Juan (SJU) to Washington (IAD) is rated "3". The route involves a 0-hour timezone shift traveling neutral.

For neutral travel, daytime flights arriving in the evening tend to minimize jetlag impact.

Eastbound travel is generally harder for jetlag recovery because it requires advancing your circadian clock, which the body naturally resists. Westbound travel involves delaying your clock, which is more natural. As a rule of thumb, eastbound recovery takes about 1.5 days per hour of shift vs 1 day for westbound.

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Airlines on this route: Frontier Airlines (F9)

Flight Options & Recovery Plans

Scheduled flights from San Juan to Washington with estimated jetlag recovery timelines. Departure time significantly affects recovery — earlier or later flights can mean days of difference.

UA UA 2022United Airlines
7:20am
SJU
11:21am
IAD
4h 13m
Boeing 737-800·30
Recovery timeline1.0 days
D1
0 pre-flight sessions4 in-flight tips1 recovery days
F9 F9 2905Frontier Airlines, Inc.
3:11pm
SJU
6:19pm
IAD
4h 13m
Airbus A321neo·16, 19
Recovery timeline1.0 days
D1
UA UA 2022United Airlines
7:25am
SJU
11:24am
IAD
4h 13m
Boeing 737-900
Recovery timeline1.0 days
D1
UA UA 2022United Airlines
7:25am
SJU
11:24am
IAD
4h 13m
Boeing 737-900
Recovery timeline1.0 days
D1
UA UA 2022United Airlines
7:25am
SJU
11:24am
IAD
4h 13m
Boeing 737-900·Tue, Wed, 9, 10
Recovery timeline1.0 days
D1

Frequently Asked Questions: San Juan to Washington Jetlag

How bad is jetlag from San Juan to Washington?+

Jetlag from San Juan (SJU) to Washington (IAD) is rated "3" with a 0-hour timezone shift traveling neutral.

What is the best time to fly from San Juan to Washington for jetlag?+

For neutral travel from San Juan to Washington, daytime flights arriving in the evening tend to minimize jetlag impact.

Is eastbound or westbound worse for jetlag?+

Eastbound travel is generally harder for jetlag recovery because it requires advancing your circadian clock, which the body resists. Westbound travel involves delaying your clock, which is more natural. For every hour of timezone shift, eastbound recovery takes about 1.5 days vs 1 day for westbound.