| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Nov 17 | SNA | IDA | 15:55 | 18:41 |
Landed
|
Track > |
| Nov 14 | SNA | IDA | 19:28 | 22:12 |
Landed
|
Track > |
| Nov 10 | SNA | IDA | 16:18 | 19:09 |
Landed
|
Track > |
| Nov 07 | SNA | IDA | 20:00 | 22:49 |
Delayed
|
Track > |
| Nov 03 | SNA | IDA | 16:55 | 19:40 |
Landed
|
Track > |
| Oct 31 | SNA | IDA | 18:55 | 21:52 |
En-Route
|
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| Oct 27 | SNA | IDA | 16:01 | 18:50 |
Landed
|
Track > |
| Oct 24 | SNA | IDA | 20:52 | 23:41 |
Delayed
|
Track > |
| Oct 20 | SNA | IDA | 15:44 | 18:35 |
Landed
|
Track > |
| Oct 17 | SNA | IDA | 19:17 | 22:10 |
Landed
|
Track > |
Allegiant Air Flight G421 connects Orange County, United States to Idaho Falls, United States, taking off from Orange County John Wayne Airport SNA and landing at Idaho Falls Regional Airport IDA.
How long is the G421 flight from Orange County to Idaho Falls?
The average flight time from Orange County to Idaho Falls is 1 hour and 49 minutes. The flight distance is 1204 km / 748 miles and the average flight speed is 661 km/h / 411 mph.
What is the On-Time Performance (OTP) of Allegiant Air Flight G421 Orange County to Idaho Falls?
The Airportia On-Time Performance Rating for Allegiant Air Flight G421 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest G421 flight?
The latest flight took off on Tuesday, November 18th, 2025 with the flight status being Landed on 18:41.
How else can the flight G421 be referenced as?
This Allegiant Air flight can also be referenced as AAY21, AAY021, G4021, G40021, G4 21, AAY 21.
How often is flight G421 delayed?
On average, 40% of all G421 flights are delayed. The average delay is 35 minutes.
Can I get compensation for my delayed or cancelled G421 flight or baggage issues?
If your G421 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 G421 Flight Tracker above for more details.
Other flights departing from Orange County SNA: WN3931, WN3122, G43211, WN3122
Other flights arriving at Idaho Falls IDA: G433, G4739, OO6298, UA5626
All flights connecting Orange County SNA to Idaho Falls IDA.
