JetBlue (JBLU) - Get Report shares rose about 3%  on Tuesday after the airline said it now expects second-quarter revenue per available seat mile to climb 4% to 6% year-over-year, versus a 3% to 6% earlier expectation.

The company, which presents at the Wolfe Research Global Transportation Conference cited expectations for a strong May and June as the basis for the tweak.

Adding to the optimism, JetBlue said it now expects third-quarter performance to be better than it did at the time it posted first-quarter earnings.

In slides prepared for the presentation the company also predicted its quarterly capacity to expand by 4% to 6% for the second quarter, year over year, and 5.5% to 7.5% for the full year.

JetBlue shares rose 2.83% or 61 cents to 22.20.

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