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SFO Flight Status
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Disclaimer
The data in this flight display is information based on airline schedules with a 4 hour rolling window. While we make every effort to ensure it is timely and correct, we cannot guarantee its accuracy. Actual flight arrival/departure times may vary. Please contact airlines directly to verify this information.
How to track your SFO flight status
The easiest way to check your San Francisco Airport flight status is by entering your airline and flight number in the search bar above. If you don't have the flight number handy, it is also possible to search by route, entering the departure and arrival cities along with the travel dates. SFO flight status updates are provided in real time, so it's always best to check your flight status closer to departure, especially since morning fog and evening air traffic congestion can affect arrival and departure times.
Track real-time SFO flight status for San Francisco International Airport, whether you're picking someone up, dropping someone off, or preparing for your own departure. Because SFO operates on a relatively constrained airfield and frequently experiences marine-layer fog, flight schedules can change more often than at many other major U.S. airports. It's worth checking your flight status one more time before you leave the house, not just the night before.
Why does SFO flight status change so often?
Several factors make flight delays at SFO more common:
- Fog: SFO's runway layout is uniquely sensitive to low-visibility conditions, and morning marine-layer fog is one of the most frequent causes of arrival delays on the West Coast.
- Single hub congestion: As a major United hub, a high volume of connecting traffic means one delayed inbound flight can affect other outbound departures.
- Ongoing construction: Terminal 3's West Modernization project is reshaping parts of the terminal through 2027, which occasionally affects gate assignments.
Disclaimer on SFO flight status data
This tracker uses airline schedule data on a 4-hour rolling window. While we work to keep it accurate and up to date, it may not reflect last-minute changes. Always confirm your flight status directly with your airline if your travel plans are time-sensitive, especially during weather events or busy holiday travel periods.
Airlines operating at San Francisco International Airport
SFO serves more than 50 airlines across its four terminals, making it one of the busiest multi-carrier airports on the West Coast. Some of the airlines operating the most flights at SFO include:
Domestic carriers
- Alaska Airlines
- American Airlines
- Delta Air Lines
- Frontier Airlines
- JetBlue
- Southwest Airlines
- United Airlines
International carriers
- Air China
- Air France
- ANA (All Nippon Airways)
- Asiana Airlines
- British Airways
- Cathay Pacific
- Emirates
- Icelandair
- Japan Airlines (JAL)
- Korean Air
- Lufthansa
- Singapore Airlines
- Turkish Airlines
SFO hosts dozens of additional international and charter operators. For a complete list of airlines, visit the airport's official website. You can also use our SFO Airport Map to navigate the airport more easily.
Your journey through SFO, step by step
Check your flight status using the tracker above before leaving home.
Confirm your terminal
SFO's four terminals, Terminal 1, Terminal 2, Terminal 3, and the International Terminal, each serve different airlines, so knowing your terminal in advance saves a wrong turn at the airport.
Park smart
Reserve SFO Parking with Way in advance for an affordable and convenient spot, and skip the search for a space.
Find your way inside
If you're unfamiliar with SFO's terminal layout, our SFO Terminal Map shows check-in counters, gates, and AirTrain connections between terminals.
Get through security with time to spare
Security wait times vary by terminal and time of day. Our SFO TSA Wait Times page provides current estimates, so you can plan ahead.
Explore before boarding
Once you're through security, use our SFO Terminal Guide to find dining, lounges, and shopping by terminal.
Watch your gate
Gate assignments can change close to departure, especially during peak hours. Keep an eye on the airport screens or your airline's app.
FAQs on SFO flight status
How do I look up my SFO flight status?
Enter your flight number, or your airline with departure and arrival cities, into the tracker above. You can also check your airline's app directly. If you're at the airport, you can check SFO's official flight boards.
What should I do if my SFO flight is delayed or canceled?
If you're still at home, call your airline to rebook or request a refund. If you're already at SFO, go straight to your airline's counter to rebook. You can also explore the SFO terminal if your flight is delayed.
Can I check the SFO flight status without my flight number?
Yes, you can search using your airline and route if you do not have your flight number handy. Match the flight details on your booking confirmation to make sure you've selected the right flight, then check the live search results for your current terminal and gate.
Why do SFO flights get delayed?
Morning fog is the most common cause of flight delays at SFO. The airport also serves as United Airlines' primary transpacific hub, meaning delays elsewhere in the network can sometimes affect departures at SFO.
Which terminal does my airline use at SFO?
It depends on the carrier. United's domestic flights largely operate from Terminal 3. Aer Lingus, Alaska & Hawaiian Airlines, American Airlines, Delta, Frontier, JetBlue, Porter, and Sun Country operate from Terminal 1. Air Canada, Breeze, Southwest, United (Domestic Flights), WestJet mostly operate from Terminal 2 and most international carriers use the International Terminal. Check your boarding pass or our SFO Terminal Map to confirm before you travel.