WN3719

WN3719 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Baltimore to Hartford. Of 645 departures recorded from October 2024 to July 2026, 74.0% 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
January535▼ 90.6%
February5010▼ 80.0%
March3433▼ 2.9%
April3044▲ 46.7%
May3151▲ 64.5%
June3826▼ 31.6%
July3926▼ 33.3%
August11––
September4––
October30–in progress
November29––
December31––
Year to date (Jan–Jul)275195▼ 29.1%

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
January78.9%80.0%▲ 1.5%
February84.0%40.0%▼ 52.4%
March57.6%90.9%▲ 57.9%
April66.7%79.6%▲ 19.3%
May67.7%96.1%▲ 41.8%
June47.4%88.5%▲ 86.7%
July52.6%61.5%▲ 16.9%
August81.8%––
September100.0%––
October53.3%–in progress
November89.3%––
December77.4%––
Year-to-date average (Jan–Jul)65.0%76.6%▲ 18.0%

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
January10▼ 100.0%
February00–
March10▼ 100.0%
April00–
May00–
June00–
July10▼ 100.0%
August0––
September0––
October0–in progress
November1––
December0––
Year to date (Jan–Jul)30▼ 100.0%

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 99.4% 641
  • Cancelled 0.6% 4

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

On time, leg by leg

  1. BWI–BDL66 81.3%
  2. MDW–LGA64 82.5%
  3. PHL–BNA58 94.8%
  4. SJU–BWI49 73.5%
  5. SJC–LAS44 72.7%
  6. BHM–TPA36 61.1%
  7. DEN–COS34 50.0%
  8. BWI–LAS33 57.6%

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 11 11 81.8% 0
November 2024 29 29 75.9% 0
December 2024 30 30 76.7% 0
January 2025 53 52 78.9% 1
February 2025 50 50 84.0% 0
March 2025 34 33 57.6% 1
April 2025 30 30 66.7% 0
May 2025 31 31 67.7% 0
June 2025 38 38 47.4% 0
July 2025 39 38 52.6% 1
August 2025 11 11 81.8% 0
September 2025 4 4 100.0% 0
October 2025 30 30 53.3% 0
November 2025 29 28 89.3% 1
December 2025 31 31 77.4% 0
January 2026 5 5 80.0% 0
February 2026 10 10 40.0% 0
March 2026 33 33 90.9% 0
April 2026 44 44 79.6% 0
May 2026 51 51 96.1% 0
June 2026 26 26 88.5% 0
July 2026 26 26 61.5% 0

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