NK1988

NK1988 (Spirit Airlines) is a multi-stop service on 3 routes, busiest Boston to Fort Lauderdale. Of 193 departures recorded from October 2024 to March 2026, 81.7% 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 periods7 periods
PeriodDepartures 2025Departures 2026Change vs last year
January824▲ 200.0%
February–28–
March–28–
April–––
May–––
June–––
July–––
August14––
September16––
October2–in progress
November–––
December–––

according to the US BTS · October 2024 → March 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 periods7 periods
PeriodOn time 2025On time 2026Change vs last year
January87.5%68.2%▼ 22.1%
February–83.3%–
March–61.9%–
April–––
May–––
June–––
July–––
August92.9%––
September100.0%––
October100.0%–in progress
November–––
December–––

according to the US BTS · October 2024 → March 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → March 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods7 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January02–
February–4–
March–7–
April–––
May–––
June–––
July–––
August0––
September0––
October0–in progress
November–––
December–––

according to the US BTS · October 2024 → March 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 93.3% 180
  • Cancelled 6.7% 13

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Mar 28, 2026

On time, leg by leg

  1. BOS–FLL81 84.0%
  2. MIA–LGA80 71.6%
  3. BWI–TPA32 96.9%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 90.0% 0
November 2024 23 23 91.3% 0
December 2024 30 30 73.3% 0
January 2025 8 8 87.5% 0
August 2025 14 14 92.9% 0
September 2025 16 16 100.0% 0
October 2025 2 2 100.0% 0
January 2026 24 22 68.2% 2
February 2026 28 24 83.3% 4
March 2026 28 21 61.9% 7

How to read this chart

Loading the guide…