NK121

NK121 (Spirit Airlines) is a multi-stop service on 4 routes, busiest Baltimore to Fort Lauderdale. Of 117 departures recorded from October 2024 to January 2026, 67.6% 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 periods5 periods
PeriodDepartures 2025Departures 2026Change vs last year
January87▼ 12.5%
February–––
March–––
April–––
May–––
June–––
July–––
August–––
September–––
October16–in progress
November23––
December27––
Year to date (Jan–Jan)87▼ 12.5%

according to the US BTS · October 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
January66.7%42.9%▼ 35.7%
February–––
March–––
April–––
May–––
June–––
July–––
August–––
September–––
October75.0%–in progress
November81.0%––
December68.0%––
Year-to-date average (Jan–Jan)66.7%42.9%▼ 35.7%

according to the US BTS · October 2024 → January 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 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
January20▼ 100.0%
February–––
March–––
April–––
May–––
June–––
July–––
August–––
September–––
October0–in progress
November2––
December2––
Year to date (Jan–Jan)20▼ 100.0%

according to the US BTS · October 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 94.9% 111
  • Cancelled 5.1% 6

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jan 7, 2026

On time, leg by leg

  1. BWI–FLL44 61.9%
  2. EWR–SAV31 58.6%

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
October 2024 10 10 60.0% 0
November 2024 3 3 66.7% 0
December 2024 23 23 60.9% 0
January 2025 8 6 66.7% 2
October 2025 16 16 75.0% 0
November 2025 23 21 81.0% 2
December 2025 27 25 68.0% 2
January 2026 7 7 42.9% 0

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