A “significant IT outage” at Alaska Airlines has caused more than 150 flight cancellations since Sunday evening.

RGJ searched flights for early March to Las Vegas and found flights between Las Vegas and Reno on Friday, Sunday and Monday. The flights were scheduled to leave in the evening just before 8 p.m.

For Las Vegas-Reno flights, the special $19 fares are only good on Mondays, March 10, 17, 24, 31 and April 7, 14 and 21 with Friday and Saturday flights blacked out.