NK158

NK158 (Spirit Airlines) is a multi-stop service on 3 routes, busiest Chicago to Fort Lauderdale. Of 126 departures recorded from November 2024 to January 2026, 79.5% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods5 periods
PeriodDepartures 2025Departures 2026Change vs last year
January312▼ 93.5%
February28––
March4––
April–––
May–––
June–––
July–––
August–––
September–––
October––in progress
November–––
December8––
Year to date (Jan–Jan)312▼ 93.5%

according to the US BTS · November 2024 → January 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods5 periods
PeriodOn time 2025On time 2026Change vs last year
January85.7%50.0%▼ 41.7%
February85.7%––
March75.0%––
April–––
May–––
June–––
July–––
August–––
September–––
October––in progress
November–––
December100.0%––
Year-to-date average (Jan–Jan)85.7%50.0%▼ 41.7%

according to the US BTS · November 2024 → January 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · November 2024 → January 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods5 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January30▼ 100.0%
February0––
March0––
April–––
May–––
June–––
July–––
August–––
September–––
October––in progress
November–––
December1––
Year to date (Jan–Jan)30▼ 100.0%

according to the US BTS · November 2024 → January 2026

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 96.8% 122
  • Cancelled 3.2% 4

Share of all recorded flights in the period, all legs. · Nov 7, 2024 → Jan 4, 2026

On time, leg by leg

  1. ORD–FLL61 70.5%
  2. ATL–FLL55 88.5%

Departures within 15 minutes of schedule; small figure = departures recorded.

Legs flown under this number

2
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
November 2024 23 23 69.6% 0
December 2024 30 30 73.3% 0
January 2025 31 28 85.7% 3
February 2025 28 28 85.7% 0
March 2025 4 4 75.0% 0
December 2025 8 7 100.0% 1
January 2026 2 2 50.0% 0

How to read this chart

Loading the guide…