AY4140 Flight Status Finnair: San Francisco to Chicago (FIN4140)
AY 4140 San Francisco to Chicago Flight Status
Not scheduled today. Latest flight: October 29th, 2026 ; recent history is in the table below.
AY 4140 Flight Status & Schedule Finnair San Francisco to Chicago
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Oct 29 | SFO | ORD | 14:38 | 20:12 | Landed | Track > |
| Oct 27 | SFO | ORD | 14:36 | 20:05 | Landed | Track > |
| Oct 26 | SFO | ORD | 15:27 | 21:04 | Landed | Track > |
Finnair operates AY 4140 from San Francisco to Chicago, a 2,964 km (1,842 mi) trip. The timetable allows 4 h 37 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight, on 29 October 2026, landed on time.
About AY 4140
- Distance
- 2,964 km (1,842 mi)
- Scheduled flight time
- 4 h 37 min
- Usually departs from
- Terminal 1
AY 4140 FAQ
- How long is the AY4140 flight?
- The timetable allows 4 h 37 min. San Francisco to Chicago is 2,964 km (1,842 mi).
- Which terminal does AY4140 use?
- It usually leaves from Terminal 1 at San Francisco International Airport (SFO) and arrives at Terminal 3 at Chicago O'Hare International Airport (ORD). Check the flight card above for today's terminal and gate.
- What other flight numbers does AY4140 have?
- Also listed as FIN4140 (Finnair's ICAO code) and AY 4140.
AY4140 and San Francisco SFO to Chicago ORD Flights
Flight AY4140 is a code-share Finnair flight of the American Airlines operated AA1948.
Other flights departing from San Francisco SFO: AA1948, UA1960, TA563
Other flights arriving at Chicago ORD: LO3, LO3, AA1948
All flights connecting San Francisco SFO to Chicago ORD.