San Juan to Chicago Flight Distance
Luis Munoz Marin International Airport (SJU) to Chicago O'Hare International Airport (ORD)
Primary sources · 6
- [1] Vincenty (1975) — Direct and Inverse Solutions of Geodesics on the Ellipsoid — the iterative formula used for distance · Survey Review XXIII (176), pp. 88–93 · April 1975 https://www.ngs.noaa.gov/PUBS_LIB/inverse.pdf
- [2] NGA.STND.0036_1.0.0_WGS84 — WGS-84 reference ellipsoid (a = 6,378,137 m, 1/f = 298.257223563) · NGA Standard · July 2014 https://earth-info.nga.mil/index.php?dir=wgs84&action=wgs84
- [3] DESNZ 2024 conversion factors — Per-km kg CO₂e factors for the three distance bands and four cabin classes · UK Department for Energy Security and Net Zero · June 2024 https://www.gov.uk/government/publications/greenhouse-gas-reporting-conversion-factors-2024
- [4] Lee et al. (2021) — Effective radiative forcing of aviation — the science behind the 1.9 × CO₂ → CO₂e uplift · Atmospheric Environment 244, 117834 · January 2021 https://doi.org/10.1016/j.atmosenv.2020.117834
- [5] OpenFlights — Airport coordinates and IATA codes · openflights.org/data.php · Community-maintained https://openflights.org/data.php
- [6] Sack (2010) — Jet-lag review — clinical chronobiology and asymmetric recovery rates · New England Journal of Medicine 362:440 · February 2010 https://www.nejm.org/doi/full/10.1056/NEJMcp0909838
Loading globe...
Your Route Summary
What This Means For Your Trip
Flight Duration: At 2,072 miles, this medium-haul flight will take approximately 4h 35m. Consider bringing a book or downloading entertainment for the journey.
Time Adjustment: Chicago is 1 hour behind San Juan. You should experience minimal jet lag.
Environmental Impact: An economy class seat produces approximately 520 kg of CO2. Consider carbon offset programs—planting 48 trees could offset this flight.
Flight Options: 4 airlines serve this route, giving you options for schedule and price comparison.
Complete Flight Analysis
| Metric | Value | Category / Reference |
|---|---|---|
| Distance (Miles) | 2,072 mi | Primary frequent flyer unit |
| Distance (Kilometers) | 3,334 km | International standard |
| Distance (Nautical Miles) | 1,800 nm | Aviation standard |
| Flight Time | 4h 35m | Based on 850 km/h cruise + ground time |
| Route Classification | MEDIUM HAUL | Medium-haul flight (1,500 - 4,000 km) |
| Flight Direction | 326° NNW | North-Northwest |
| Cruising Altitude | 37,000 ft | FL370 (11,278 m) |
| Time Difference | -1h | Jet lag: none |
| CO2 (Economy) | 520 kg | DEFRA 2024 factors |
| CO2 (Business) | 1508 kg | 2.9x economy |
| CO2 (First Class) | 2080 kg | 4x economy |
| Trees to Offset | 48 | Economy class, per passenger |
| Fuel per Passenger | 100 L | ~18,000 L total (180 pax) |
| Operating Airlines | 4 | Direct flights available |
Tips for This Route
Luis Munoz Marin International Airport
San Juan, Puerto Rico
Chicago O'Hare International Airport
Chicago, United States
Airlines Flying This Route
4 airlines operate flights between San Juan and Chicago.
Flight Details
Flight Midpoint
The geographic midpoint of this flight is located at:
Carbon Emissions by Cabin Class
CO2 emissions vary by cabin class due to seat space allocation. Based on DEFRA 2024 emission factors.
Jet Lag & Travel Tips
- Minimal time difference - jet lag unlikely
Seat Recommendations
Distance in Perspective
Distance & Speed Reference
| Measurement | Value |
|---|---|
| Statute Miles | 2,072 mi |
| Kilometers | 3,334 km |
| Nautical Miles | 1,800 nm |
| Meters | 3,334,000 m |
| Feet | 10,940,160 ft |
| Flight Time (850 km/h) | 4h 35m |
Travel Speed Comparison
How long would it take to cover the 3,334 km between San Juan and Chicago at different speeds?
| Mode | Speed | Time |
|---|---|---|
| Commercial Jet | 850 km/h | 4h 35m |
| Turboprop Aircraft | 500 km/h | 6h 40m |
| Bullet Train | 320 km/h | 10h 25m |
| Car (highway) | 100 km/h | 33h 20m |
| Walking | 5 km/h | 667h (28 days) |
| Speed of Sound | 1,235 km/h | 2h 42m |
Round Trip Summary
Quick Facts
Routes from SJU
View all routesFrequently Asked Questions
How far is San Juan from Chicago?
The flight distance from Luis Munoz Marin International Airport (SJU) to Chicago O'Hare International Airport (ORD) is 2,072 miles (3,334 km). This is the great circle distance calculated using the Vincenty formula.
How long is the flight?
A direct flight takes approximately 4h 35m. This is a medium-haul flight typically cruising at 37,000 feet (FL370).
What is the time difference?
Chicago is 1 hour behind San Juan.
What airlines fly this route?
4 airlines operate this route: American Airlines, JetBlue Airways, US Airways and 1 more.
What is the carbon footprint?
Economy class: 520 kg CO2 per passenger. Business class: 1508 kg. First class: 2080 kg. Offset with ~48 trees.
Which seat side is best?
For this North-Northwest flight, the right side offers the best views away from sun glare.
Can I drive from San Juan to Chicago instead of flying?
Driving is not practical for this 3,334 km distance, especially across international borders. It would theoretically take over 42 hours of driving. Flying at 4h 35m is the recommended option.
What aircraft typically fly this route?
This medium-haul route is typically served by Airbus A321, Boeing 737 MAX, Airbus A320neo aircraft. A mix of narrow-body and wide-body aircraft may operate this route depending on demand.
How can I offset the carbon from this flight?
An economy class seat on this route produces 520 kg CO2. You can offset this by planting approximately 48 trees, purchasing verified carbon credits through programs like Gold Standard or Verra, or supporting renewable energy projects. Many airlines also offer built-in carbon offset options during booking.
External Resources & References
Learn more about the airports, aviation data, and carbon emissions methodology used in this calculation.