WN1499

WN1499 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Hilo to Honolulu. Of 669 departures recorded from October 2024 to July 2026, 75.2% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January3130▼ 3.2%
February2831▲ 10.7%
March31310.0%
April3829▼ 23.7%
May3831▼ 18.4%
June3629▼ 19.4%
July3431▼ 8.8%
August32––
September30––
October30–in progress
November29––
December29––
Year to date (Jan–Jul)236212▼ 10.2%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods19 periods
PeriodOn time 2025On time 2026Change vs last year
January100.0%96.6%▼ 3.5%
February100.0%86.2%▼ 13.8%
March77.4%53.6%▼ 30.8%
April92.1%48.3%▼ 47.6%
May86.8%63.3%▼ 27.1%
June51.5%13.8%▼ 73.2%
July18.8%35.5%▲ 89.2%
August84.4%––
September93.3%––
October96.7%–in progress
November93.1%––
December89.7%––
Year-to-date average (Jan–Jul)75.2%56.7%▼ 24.6%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January01–
February02–
March03–
April00–
May01–
June30▼ 100.0%
July20▼ 100.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)57▲ 40.0%

according to the US BTS · October 2024 → July 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 98.2% 657
  • Cancelled 1.8% 12

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

On time, leg by leg

  1. ITO–HNL123 99.2%
  2. MCO–BWI60 23.6%
  3. PHL–STL59 91.5%
  4. STL–BNA58 94.8%
  5. BOS–BWI58 90.9%
  6. PHX–ATL57 84.2%
  7. DEN–BWI49 20.4%
  8. SMF–ONT33 78.8%

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

Legs flown under this number

11
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 11 11 72.7% 0
November 2024 29 29 96.6% 0
December 2024 31 31 100.0% 0
January 2025 31 31 100.0% 0
February 2025 28 28 100.0% 0
March 2025 31 31 77.4% 0
April 2025 38 38 92.1% 0
May 2025 38 38 86.8% 0
June 2025 36 33 51.5% 3
July 2025 34 32 18.8% 2
August 2025 32 32 84.4% 0
September 2025 30 30 93.3% 0
October 2025 30 30 96.7% 0
November 2025 29 29 93.1% 0
December 2025 29 29 89.7% 0
January 2026 30 29 96.6% 1
February 2026 31 29 86.2% 2
March 2026 31 28 53.6% 3
April 2026 29 29 48.3% 0
May 2026 31 30 63.3% 1
June 2026 29 29 13.8% 0
July 2026 31 31 35.5% 0

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