Spirit Airlines is launching three new routes on October 4 and another new route on November 4.
Two of the new routes starting on October 4 are from Houston Bush Intercontinental Airport (IAH) – to Chicago O’Hare International Airport (ORD) and to Las Vegas McCarran International Airport (LAS). Spirit Airlines will operate daily service on both routes.

Spirit Airlines operates an all-Airbus fleet. This photograph shows the side of one of the airline’s Airbus A319s and gives an idea of the new, predominantly blue livery that Spirit Airlines adopted around 2010 in place of the eye-catching gray, silver, black and red livery its aircraft had previously sported
The other new route Spirit Airlines is launching on October 4 is a daily round-trip between Denver International Airport (DEN) and Phoenix-Mesa Gateway Airport (AZA).
Then, on November 4, Spirit is beginning daily service between Portland International Airport (PDX) in Oregon and San Diego International Airport (SAN).
Spirit also recently announced it is launching twice daily nonstop service between Houston and Dallas/Fort Worth International Airport on September 20, with connections available to Baltimore/Washington, Las Vegas, Phoenix-Mesa, St. Petersburg/Clearwater, Toluca in Mexico and Portland.
The carrier’s schedule on the Houston Bush-Chicago O’Hare International Airport route from October 4 to November 7 will see flight NK200 leave IAH daily at 6:15 a.m. (this flight begins operating on October 5) and land at ORD at 8:52 a.m. In the other direction, from October 4 to November 7, flight NK295 departs ORD at 8:35 p.m. and touches down at IAH at 11:19 p.m.
From November 8, the schedule changes, with flight NK200 pushing back from the gate at IAH at 7:00 a.m. and arriving at ORD at 9:37 a..m. From November 8, in the other direction, flight NK295 leaves ORD at 7:10 p.m. and reaches IAH at 9:54 p.m.

Spirit Airlines’ main initial fleet type was the Airbus A319 and the carrier now operates 26 of the type, but the larger A320 is gradually overtaking the A319 as the most important fleet type numerically in the low-cost carrier’s fleet
Spirit Airlines’ October 4-November 7 schedule on the Houston-Las Vegas route will see flight NK199 leave IAH daily at 4:25 p.m. and get to LAS at 6:00 p.m. local time. In the other direction, flight NK298 departs LAS at 10:30 a.m. and reaches IAH at 3:35 p.m. local time.
From November 8, the Houston-Las Vegas schedule and flight numbers change and will see flight NK295 push back from the gate at IAH at 10:35 p.m. (after having arrived from Chicago as the same flight number) and land at LAS at 12:10 a.m. local time the following morning.
In the other direction, flight NK200 departs LAS at 1:00 a.m. and arrives at IAH at 6:05 a.m. local time, after which the flight continues on to Chicago under the same flight number.
Spirit’s schedule between Denver and Phoenix-Mesa will see flight NK115 leave DEN daily at 9:20 a.m. from October 4 and reach AZA at 10:13 a.m. local time. In the other direction, flight NK116 is timed to push back from the gate at AZA at 11:05 a.m. and land at DEN at 1:49 p.m. local time.
From November 8, Spirit’s schedule between Portland and San Diego calls for flight NK470 to depart PDX daily at 6:15 a.m. and reach SAN at 8:45 a.m. In the other direction, flight NK245 is timed to leave SAN at 8:48 p.m. and touch down at PDX at 11:18 p.m.
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