Departure
Scheduled departure: 2026-10-29 16:45 (UTC-05:00). Confirm airport transport and terminal opening hours in advance.
AA1543 Chicago O'Hare International Airport to San Diego International Airport nonstop flight: schedule, airports, aircraft and travel guide.
AA1543 Flight Overview
AA1543 is operated by American Airlines and connects Chicago O'Hare International Airport (ORD) and San Diego International Airport (SAN). Scheduled departure: 2026-10-29 16:45 (UTC-05:00); scheduled arrival: 2026-10-29 19:18 (UTC-07:00).
AirlineAmerican Airlines
Flight numberAA1543
RouteORD to SAN
Scheduled duration4 hr 33 min
Chicago to San Diego Route Information
AA1543 is a nonstop flight from Chicago O'Hare International Airport (ORD) to San Diego International Airport (SAN). Use the information below to plan your journey.
Route distanceApprox. 2,773 km
Scheduled flight time4 hr 33 min
Time difference-120 min
Flight typenonstop
Arrival
Scheduled arrival: 2026-10-29 19:18 (UTC-07:00). Arrange pickup, hotel and onward transport for the arrival date.
Time zones
Departure: Chicago (UTC-05:00); arrival: San Diego (UTC-07:00).
AA1543 On-time Performance & History
Methodology
60%Arrival on-time rate
Sample flights60 (flights)
Average departure delay1 min
Average arrival delay43 min
Cancllation rate0%
Longest delay192 min
Early arrivals40%
Historical statistics are for reference only and do not predict future flight performance.
Aircraft, Cabin & Services
Based on currently published aircraft and cabin information; the operating aircraft may change.
Published aircraft type
Airbus A321
Economy 30 in; Business 37 in
37 in
Seat configuration depends on the operating aircraft
30 in
Availability and fees depend on the flight
AA1543 Airports
Terminals follow the published schedule; check official airline channels for same-day gates and operations.
ORDChicago O'Hare International Airport
Chicago, United States · UTC-05:00
- Departure terminal
- T3
- Check-in counter
- Announced on the day
SANSan Diego International Airport
San Diego · UTC-07:00
- Arrival terminal
- T2
- Baggage belt
- Announced on the day
Chicago O'Hare International Airport Departure & San Diego International Airport Arrival Guide
Departure date: 2026-10-29. Terminal and arrival information helps plan your journey.
Departing from Chicago O'Hare International Airport
AA1543 is scheduled to depart from T3. Allow time for international check-in, baggage drop, security and immigration.
Arriving at San Diego International Airport
Scheduled arrival is at T2. After immigration, take the MRT, taxi, ride-hailing service or airport bus to the city.
Planning your arrival
Scheduled arrival: 2026-10-29 19:18. Use the arrival date when booking hotels and pickup services.
Flight Changes, Cancellations & Missed Flights
If the schedule or aircraft changes, follow the booking channel and operating carrier rules.
Schedule changes
After an airline or booking-platform notice, confirm the new date, terminal and connecting transport.
Cancellation and changes
Refund, rebooking and involuntary-change rules depend on the booking channel, fare conditions and airline notice.
Missed flight
If you may not reach the airport on time, contact the booking channel or airline quickly to protect later sectors.
Check-in, Baggage & Entry Tips
International check-in deadlines, baggage allowance and entry requirements may vary by fare and traveller.
Arrive early for check-in
Arrive at least 3 hours before departure. Counter opening times and online check-in rules follow Chicago O'Hare International Airport guidance.
Check baggage allowance
Checked and carry-on baggage allowances depend on cabin, fare rules and membership tier. See the baggage terms in your booking.
Prepare entry documents
Before departure, check passport validity, visa or visa-free eligibility, andSan Diego International Airport’ latest arrival declaration requirements.
What should I check before flying AA1543?
Check the departure date
For an overnight flight, check the departure date on your ticket and plan airport transport in advance.
Confirm the operating carrier
Follow the airline rules shown in your booking for check-in and checked baggage.
Check boarding information
Gates and operating times may change; follow airline notices and airport displays.
Popular route recommendations
AA1543 Frequently Asked Questions
Which airline operates this flight?
AA1543 is operated by American Airlines.
Where does it depart and arrive?
Chicago O'Hare International Airport (ORD) → San Diego International Airport (SAN).
What are the departure and arrival times?
Scheduled departure 16:45, arrival 19:18 · 4 hours 33 minutes.
Which terminal is used for check-in?
Departure terminal T3, arrival terminal T2. Check-in, gate and baggage belt are announced on the day.
Are meals and inflight entertainment available?
Meals: None. Inflight entertainment: Entertainment available, please bring your own device.
Explore This Route
Departure airportFlights from Chicago O'Hare International Airport
Arrival airportSan Diego International Airport information
Operating airlineAmerican Airlines information