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G42121 Flight Status Allegiant Air: Fort Lauderdale to Knoxville (AAY2121)

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G4 2121 Fort Lauderdale to Knoxville Flight Status

Allegiant Air Flight G42121 from Fort Lauderdale Hollywood International Airport FLL to Knoxville McGhee Tyson Airport TYS is not scheduled for today July 18th, 2026.
The last time the flight was scheduled was on April 26th, 2026.
Check the table below for G42121's most recent flight history:

G4 2121 Flight Status & Schedule

Date Departure Arrival Status
Apr 26 00:11 20:42
Unknown
 Track >
Apr 19 19:25 21:06
Landed Late
 Track >
Mar 07 07:45 09:25
Landed
 Track >
Feb 26 12:47 14:37
Landed
 Track >
Aug 28 12:43 14:22
Landed
 Track >
< All FLL Departures All TYS Arrivals >

Allegiant Air G4 2121 Fort Lauderdale to Knoxville Flight Information

Allegiant Air Flight G42121 connects Fort Lauderdale, United States to Knoxville, United States, taking off from Fort Lauderdale Hollywood International Airport FLL and landing at Knoxville McGhee Tyson Airport TYS.

How long is the G42121 flight from Fort Lauderdale to Knoxville?

The average flight time from Fort Lauderdale to Knoxville is 1 hour and 41 minutes. The flight distance is 1143 km / 710 miles and the average flight speed is 656 km/h / 408 mph.

What is the On-Time Performance (OTP) of Allegiant Air Flight G42121 Fort Lauderdale to Knoxville?

The Airportia On-Time Performance Rating for Allegiant Air Flight G42121 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight G42121 arriving at?

Flight G42121 arrives at Knoxville McGhee Tyson Airport (TYS) Terminal S.

When was the latest G42121 flight?

The latest flight took off on Monday, April 27th, 2026 with the flight status being Unknown on 20:42.

How else can the flight G42121 be referenced as?

This Allegiant Air flight can also be referenced as AAY2121, G4 2121, AAY 2121.

How often is flight G42121 delayed?

On average, 33% of all G42121 flights are delayed. The average delay is 13 minutes.

Can I get compensation for my delayed or cancelled G42121 flight or baggage issues?

If your G42121 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 G42121 Flight Tracker above for more details.

G42121 and Fort Lauderdale FLL to Knoxville TYS Flights

Other flights departing from Fort Lauderdale FLL: AC1007, NK552, NK707, B61344

Other flights arriving at Knoxville TYS: G4891, G43038, AA5469, G43041

All flights connecting Fort Lauderdale FLL to Knoxville TYS.

G42121 Allegiant Air Flight: Fort Lauderdale to Knoxville Route Map

G42121 Allegiant Air Flight Map: Fort Lauderdale to Knoxville
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: HV4038 4R412 S75270 NZ6009 V02253 ZT7605 AS9304 EB127 Q33600 Q33269
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.