Almost 140 passengers and five crew members used chutes to evacuate.
Southwest Airlines on Sunday canceled more than 200 flights due to shortage of airplane de-icing fluid as the Midway Airport in Chicago, Illnois was hit by winter storm.
In all, more than 250 flights were canceled "due to winter operational issues", Midway Airport tweeted Sunday night.
As of 9 p.m. Sunday, a total of 264 flights on all airlines had been canceled out of Midway and another 235 were canceled out of O'Hare.
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Economists also expect the increase in the annual core PCE index slowed down in January from 1.5 percent in December. There were also weaker drops in the price of clothing and air fares compared with the same month previous year .
According to CBS Los Angeles, smoke was detected in the cabin but all the 139 passengers escaped unscathed, save for some minor injuries as a result of going down the slides.
A representative from Southwest said in an online statement that the company "proactively" canceled 220 flights as of midday, and suspended service for the rest of Sunday "for the safety of our customers and crews".
However, as baggage for each passenger has to now be transferred onto other planes, Southwest has no exact time frame for when people would be ensured a replacement flight, she said. "Although some ground crews had seen some smoke coming from the tail, which is where the auxiliary power unit is, the pilots had very quickly pulled the fire extinguishing system and if there was any fire back there, it was extinguished quickly", said OC Fire Authority Battalion Chief Ric Schultz.
About an hour after the incident, airport officials tweeted that operations were back to normal.