F9 1856 San Diego to Chicago Flight Status

Frontier Airlines Flight F91856 from San Diego International Airport SAN to Chicago O'Hare International Airport ORD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on September 11th, 2025.
Check the table below for F91856's most recent flight history:

F9 1856 Flight Status & Schedule

Date Departure Arrival Status
Sep 11 17:06 22:26
Landed
Track >
Sep 08 17:01 22:31
Landed
Track >
Sep 07 18:18 23:42
Landed Late
Track >
Sep 05 18:34 00:05
Landed Late
Track >
Sep 04 17:14 22:35
Landed
Track >

Frontier Airlines F9 1856 San Diego to Chicago Flight Information

Frontier Airlines Flight F91856 connects San Diego, United States to Chicago, United States, taking off from San Diego International Airport SAN and landing at Chicago O'Hare International Airport ORD.

How long is the F91856 flight from San Diego to Chicago?

The average flight time from San Diego to Chicago is 3 hours and 25 minutes. The flight distance is 2768 km / 1720 miles and the average flight speed is 807 km/h / 502 mph.

What is the On-Time Performance (OTP) of Frontier Airlines Flight F91856 San Diego to Chicago?

The Airportia On-Time Performance Rating for Frontier Airlines Flight F91856 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight F91856 arriving at?

Flight F91856 arrives at Chicago O'Hare International Airport (ORD) Terminal 5.

When was the latest F91856 flight?

The latest flight took off on Friday, September 12th, 2025 with the flight status being Landed on 22:26.

How else can the flight F91856 be referenced as?

This Frontier Airlines flight can also be referenced as FFT1856, F9 1856, FFT 1856.

How often is flight F91856 delayed?

On average, 40% of all F91856 flights are delayed. The average delay is 52 minutes.

Can I get compensation for my delayed or cancelled F91856 flight or baggage issues?

If your F91856 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our F91856 Flight Tracker above for more details.

F91856 and San Diego SAN to Chicago ORD Flights

Flight F91856 is code-shared by 1 airline using the flight number Y42229

Other flights departing from San Diego SAN: WN4191, WN2542, WN4756, WN4181

Other flights arriving at Chicago ORD: 3S448, OO4960, UA1221, 5Y8066

All flights connecting San Diego SAN to Chicago ORD.

F91856 Frontier Airlines Flight: San Diego to Chicago Route Map

F91856 Frontier Airlines Flight Map: San Diego to Chicago
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.