NK1151

NK1151 (Spirit Airlines) is a multi-stop service on 4 routes, busiest New York to Houston. Of 222 departures recorded from October 2024 to April 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 periods8 periods
PeriodDepartures 2025Departures 2026Change vs last year
January831▲ 287.5%
February–28–
March–31–
April–14–
May–––
June–––
July23––
August12––
September–––
October––in progress
November–––
December24––

according to the US BTS · October 2024 → April 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 periods8 periods
PeriodOn time 2025On time 2026Change vs last year
January75.0%53.3%▼ 28.9%
February–61.5%–
March–51.9%–
April–46.2%–
May–––
June–––
July76.2%––
August75.0%––
September–––
October––in progress
November–––
December50.0%––

according to the US BTS · October 2024 → April 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → April 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods8 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January01–
February–2–
March–4–
April–1–
May–––
June–––
July2––
August0––
September–––
October––in progress
November–––
December2––

according to the US BTS · October 2024 → April 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 94.6% 210
  • Cancelled 5.4% 12

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Apr 14, 2026

On time, leg by leg

  1. LGA–IAH97 56.2%
  2. IAH–SJU59 91.5%
  3. SAN–LAS35 75.8%
  4. DTW–MCO31 44.8%

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 11 11 81.8% 0
November 2024 18 18 100.0% 0
December 2024 22 22 95.5% 0
January 2025 8 8 75.0% 0
July 2025 23 21 76.2% 2
August 2025 12 12 75.0% 0
December 2025 24 22 50.0% 2
January 2026 31 30 53.3% 1
February 2026 28 26 61.5% 2
March 2026 31 27 51.9% 4
April 2026 14 13 46.2% 1

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