WN1496

WN1496 (Southwest Airlines) is a multi-stop service on 40 routes, busiest Boston to Baltimore. Of 756 departures recorded from October 2024 to July 2026, 77.0% 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
January1831▲ 72.2%
February1928▲ 47.4%
March3254▲ 68.8%
April3932▼ 17.9%
May3727▼ 27.0%
June5729▼ 49.1%
July5530▼ 45.5%
August45––
September43––
October26–in progress
November29––
December31––
Year to date (Jan–Jul)257231▼ 10.1%

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
January72.2%93.3%▲ 29.2%
February89.5%73.1%▼ 18.3%
March68.8%88.9%▲ 29.3%
April89.7%78.1%▼ 12.9%
May67.6%77.8%▲ 15.1%
June51.8%58.6%▲ 13.2%
July64.2%60.0%▼ 6.5%
August86.7%––
September93.0%––
October80.8%–in progress
November80.8%––
December80.7%––
Year-to-date average (Jan–Jul)72.0%75.7%▲ 5.2%

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–
March00–
April00–
May00–
June10▼ 100.0%
July20▼ 100.0%
August0––
September0––
October0–in progress
November3––
December0––
Year to date (Jan–Jul)330.0%

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 98.8% 747
  • Cancelled 1.2% 9

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026

On time, leg by leg

  1. BOS–BWI79 79.0%
  2. LAS–IND42 45.0%
  3. ATL–MCO42 73.8%
  4. SMF–LAS41 92.7%
  5. DEN–SLC41 89.5%
  6. HOU–SMF40 95.0%
  7. BWI–SAV37 86.5%
  8. BUR–LAS36 80.0%

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

Legs flown under this number

9
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 26 26 76.9% 0
November 2024 26 26 92.3% 0
December 2024 42 42 81.0% 0
January 2025 18 18 72.2% 0
February 2025 19 19 89.5% 0
March 2025 32 32 68.8% 0
April 2025 39 39 89.7% 0
May 2025 37 37 67.6% 0
June 2025 57 56 51.8% 1
July 2025 55 53 64.2% 2
August 2025 45 45 86.7% 0
September 2025 43 43 93.0% 0
October 2025 26 26 80.8% 0
November 2025 29 26 80.8% 3
December 2025 31 31 80.7% 0
January 2026 31 30 93.3% 1
February 2026 28 26 73.1% 2
March 2026 54 54 88.9% 0
April 2026 32 32 78.1% 0
May 2026 27 27 77.8% 0
June 2026 29 29 58.6% 0
July 2026 30 30 60.0% 0

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