NK501

NK501 (Spirit Airlines) is a multi-stop service on 7 routes, busiest Orlando to Boston. Of 226 departures recorded from October 2024 to May 2026, 76.4% 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 periods10 periods
PeriodDepartures 2025Departures 2026Change vs last year
January317▼ 77.4%
February28––
March22––
April1311▼ 15.4%
May31▼ 66.7%
June–––
July–––
August–––
September–––
October––in progress
November27––
December31––

according to the US BTS · October 2024 → May 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 periods10 periods
PeriodOn time 2025On time 2026Change vs last year
January75.9%33.3%▼ 56.1%
February60.7%––
March95.5%––
April92.3%72.7%▼ 21.2%
May66.7%100.0%▲ 50.0%
June–––
July–––
August–––
September–––
October––in progress
November92.6%––
December50.0%––

according to the US BTS · October 2024 → May 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → May 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods10 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January21▼ 50.0%
February0––
March0––
April00–
May00–
June–––
July–––
August–––
September–––
October––in progress
November0––
December3––

according to the US BTS · October 2024 → May 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 97.3% 220
  • Cancelled 2.7% 6

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → May 1, 2026

On time, leg by leg

  1. MCO–BOS60 85.0%
  2. ATL–FLL55 67.9%
  3. LGA–MCO35 45.2%
  4. CMH–FLL30 90.0%

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

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 10 10 70.0% 0
November 2024 11 11 81.8% 0
December 2024 31 31 90.3% 0
January 2025 31 29 75.9% 2
February 2025 28 28 60.7% 0
March 2025 22 22 95.5% 0
April 2025 13 13 92.3% 0
May 2025 3 3 66.7% 0
November 2025 27 27 92.6% 0
December 2025 31 28 50.0% 3
January 2026 7 6 33.3% 1
April 2026 11 11 72.7% 0
May 2026 1 1 100.0% 0

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