| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 26 | RFD | LAS | 13:46 | 15:01 |
Landed
|
Track > |
| Oct 23 | RFD | LAS | 13:39 | 15:04 |
Landed
|
Track > |
| Oct 19 | RFD | LAS | 15:52 | 17:14 |
Delayed
|
Track > |
| Oct 16 | RFD | LAS | 13:40 | 14:58 |
Landed
|
Track > |
| Oct 12 | RFD | LAS | 14:30 | 16:09 |
Landed Late
|
Track > |
| Oct 09 | RFD | LAS | 13:52 | 15:13 |
Landed
|
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| Oct 05 | RFD | LAS | 13:43 | 15:15 |
Landed
|
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| Oct 02 | RFD | LAS | 13:49 | 15:04 |
Landed
|
Track > |
| Sep 28 | RFD | LAS | 20:47 | 21:50 |
Landed
|
Track > |
| Sep 25 | RFD | LAS | 20:39 | 21:40 |
Landed
|
Track > |
Allegiant Air Flight G4121 connects Chicago, United States to Las Vegas, United States, taking off from Chicago Rockford International Airport RFD and landing at Las Vegas McCarran International Airport LAS.
How long is the G4121 flight from Chicago to Las Vegas?
The average flight time from Chicago to Las Vegas is 3 hours and 19 minutes. The flight distance is 2337 km / 1452 miles and the average flight speed is 707 km/h / 439 mph.
What is the On-Time Performance (OTP) of Allegiant Air Flight G4121 Chicago to Las Vegas?
The Airportia On-Time Performance Rating for Allegiant Air Flight G4121 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight G4121 arriving at?
Flight G4121 arrives at Las Vegas McCarran International Airport (LAS) Terminal 1.
When was the latest G4121 flight?
The latest flight took off on Sunday, October 26th, 2025 with the flight status being Landed on 15:01.
How else can the flight G4121 be referenced as?
This Allegiant Air flight can also be referenced as AAY121, G40121, G4 121, AAY 121.
How often is flight G4121 delayed?
On average, 20% of all G4121 flights are delayed. The average delay is 69 minutes.
Can I get compensation for my delayed or cancelled G4121 flight or baggage issues?
If your G4121 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 G4121 Flight Tracker above for more details.
Other flights departing from Chicago RFD: 8C3331, G41393, GB3108, 8C3366
Other flights arriving at Las Vegas LAS: WN3753, WN3237, WN2959, WN3980
All flights connecting Chicago RFD to Las Vegas LAS.
