NK2329

NK2329 (Spirit Airlines) is a multi-stop service on 4 routes, busiest Detroit to Boston. Of 185 departures recorded from October 2024 to December 2025, 77.6% 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 periods11 periods
PeriodDepartures 2024Departures 2025Change vs last year
January–8–
February–––
March–––
April–––
May–25–
June–30–
July–7–
August–19–
September–3–
October14––
November2428▲ 16.7%
December243▼ 87.5%

according to the US BTS · October 2024 → December 2025

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 periods11 periods
PeriodOn time 2024On time 2025Change vs last year
January–87.5%–
February–––
March–––
April–––
May–80.0%–
June–75.9%–
July–85.7%–
August–63.2%–
September–66.7%–
October92.9%––
November79.2%82.1%▲ 3.8%
December69.6%66.7%▼ 4.2%

according to the US BTS · October 2024 → December 2025

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → December 2025

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods11 periods
PeriodCancelled 2024Cancelled 2025Change vs last year
January–0–
February–––
March–––
April–––
May–0–
June–1–
July–0–
August–0–
September–0–
October0––
November00–
December10▼ 100.0%

according to the US BTS · October 2024 → December 2025

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 98.9% 183
  • Cancelled 1.1% 2

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Dec 3, 2025

On time, leg by leg

  1. DTW–BOS70 79.7%
  2. LAS–OAK62 78.7%
  3. BOS–DTW31 80.7%

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 14 14 92.9% 0
November 2024 24 24 79.2% 0
December 2024 24 23 69.6% 1
January 2025 8 8 87.5% 0
May 2025 25 25 80.0% 0
June 2025 30 29 75.9% 1
July 2025 7 7 85.7% 0
August 2025 19 19 63.2% 0
September 2025 3 3 66.7% 0
November 2025 28 28 82.1% 0
December 2025 3 3 66.7% 0

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