Allegiant Air is operating on Mondays and Fridays between Stockton Metropolitan Airport and Palm Springs International Airport, using 150-seat McDonnell Douglas MD-80s.

Allegiant Air has inaugurated twice-weekly nonstop service between the California cities of Stockton and Palm Springs.

The carrier is offering an introductory $39.99 one-way fare (plus government fees) on the route. The fare must be purchased by November 11, 2011 and is valid for travel through May 14, 2012.

Allegiant Air’s fare offer on the Stockton-Palm Springs route is not available for travel between December 26 and December 30, 2011 and between January 1 and January 2, 2012. A seven-day advance purchase is required.

A “convenience” fee of $17.00 per passenger is included in the introductory one-way fare. A fee of $14.99 per passenger, plus $14.99 per segment, will apply when the ticket is purchased through Allegiant call centers. Purchases made at any Allegiant Air airport ticket office will not incur a convenience or call-center fee.

As Allegiant Air continues to take delivery of more McDonnell Douglas MD-80s it has purchased in used-aircraft deals, the low-cost carrier continues to add new destinations to its network

“The Stockton Metropolitan Airport is thrilled to now offer the San Joaquin Valley affordable and convenient air service to Palm Springs,” says Patrick Carreno, the airport’s interim airport director. “Allegiant began serving Stockton in 2006 with flights to Las Vegas and we are now excited to be offering even more travel value to the community with new service to Palm Springs.”

Allegiant Air is operating on Mondays and Fridays between Stockton Metropolitan Airport (SCK) and Palm Springs International Airport (PSP). On Mondays, flights depart SCK at 10:15 a.m. and land at PSP at 11:30 a.m. The Monday flight from PSP leaves at 12:15 p.m. and reaches SCK at 1:35 p.m.

On Fridays, the Allegiant Air flight pushes back from the gate at SCK at 4:10 p.m. and touches down at PSP at 5:25 p.m. In the other direction, the Allegiant Air flight begins taxiing at 6:10 p.m. in order to make a 7:30 p.m. arrival at SCK.

The carrier is using 150-seat McDonnell Douglas MD-80s on the route. Allegiant began low-cost, nonstop service to Las Vegas from Stockton on June 16, 2006.

Las Vegas-based Allegiant Travel Company, the parent of Allegiant Air, has posted 35 consecutive quarters of profitability. The company is focused on linking travelers in small cities to major leisure destinations such as Fort Lauderdale, Las Vegas, Los Angeles, Phoenix-Mesa, Orlando and St. Petersburg/Clearwater.