Skip to content

Flights Chicago → San Juan

ORD → SJU

4h 21m
Flight time
14.9
Average risk (Low)
76%
On-time
18 min
Average delay
2.0%
Cancellations
3
Airlines

How long is the flight from Chicago to San Juan?

The flight from Chicago (ORD) to San Juan (SJU) takes 4h 21m on average. That is the median time recorded across 2 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.

Route overview

The flight route from Chicago to San Juan operates with a high frequency of 458 flights, utilizing aircraft such as the Boeing 737-800, Airbus A320, and Boeing 737-900. With an on-time performance rate of 76%, these flights experience an average delay of 16 minutes, serving a busy destination airport that handles over ten million passengers annually.

Your rights on this US flight (DOT)

US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.

US flight refund rules & checker →

General information, not legal advice.

The Chicago (ORD) → San Juan (SJU) route is operated by American Airlines, JetBlue Airways, United Airlines. Across 889 flights monitored in recent months, 76% arrived on time (within 15 min of schedule), with an average delay of 18 minutes. The cancellation rate is 2.02%. FlightGuard's average computed risk is 14.9/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At San Juan the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Chicago the average ATFM delay is 5.5 minutes.

Heading to San Juan: what to expect in this direction

Flying from Chicago (ORD) to San Juan (SJU) heads south-east for about 3,338 km, a flight time of roughly 4h 21m.

Departures from Chicago on this leg cluster in the overnight window: about 45% of ORD-SJU flights take off then.

Air-traffic congestion: departing Chicago the average ATFM delay is 5.5 min (atfm); arriving into San Juan it is 2.0 min (atfm).

Across 889 tracked ORD-SJU flights, 76% left on time with an average delay of 18 min and a 2.0% cancellation rate.

Route facts

Time difference
1h ahead
Arrival (dest. local time)
12:21
Elevation SJU
9 ft
Typical aircraft
Boeing 737-800, Airbus A320
Est. CO₂/passenger
~334 kg

Flexible on this trip? Compare flights

Airline punctuality on this route

Airline On-time Average delay Cancellations
United Airlines (UA) 83% 5 min 1.3%
American Airlines (AA) 79% 6 min 1.1%
JetBlue Airways (B6) 79% 7 min 0.1%

Frequently asked questions about ORD-SJU

The flight from Chicago (ORD) to San Juan (SJU) takes 4h 21m on average. That is the median time recorded across 2 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.

On the Chicago (ORD) -> San Juan (SJU) route, on-time performance is 76% with an average delay of 18 minutes, based on 889 tracked flights.

The cancellation rate on Chicago-San Juan is 2.02% across 889 monitored flights.

The route is operated by 3 airlines: American Airlines, JetBlue Airways, United Airlines.

Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at San Juan, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.

US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.