WN3443

WN3443 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Baltimore to Manchester. Of 549 departures recorded from October 2024 to July 2026, 68.4% 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 periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January447▼ 84.1%
February31––
March4050▲ 25.0%
April1814▼ 22.2%
May145▼ 64.3%
June3319▼ 42.4%
July4023▼ 42.5%
August31––
September30––
October6–in progress
November27––
December50––

according to the US BTS · October 2024 → July 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 periods18 periods
PeriodOn time 2025On time 2026Change vs last year
January76.7%42.9%▼ 44.1%
February83.3%––
March72.5%52.1%▼ 28.2%
April72.2%69.2%▼ 4.1%
May92.9%100.0%▲ 7.7%
June54.6%47.4%▼ 13.2%
July40.0%47.8%▲ 19.6%
August80.7%––
September90.0%––
October83.3%–in progress
November77.8%––
December62.0%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods18 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January10▼ 100.0%
February1––
March02–
April01–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––

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 99.1% 544
  • Cancelled 0.9% 5

Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 2026

On time, leg by leg

  1. BWI–MHT82 74.4%
  2. RNO–LGB60 51.7%
  3. LGA–BNA58 87.9%
  4. MCO–DAL33 61.3%

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 21 21 85.7% 0
November 2024 18 18 94.4% 0
December 2024 28 28 67.9% 0
January 2025 44 43 76.7% 1
February 2025 31 30 83.3% 1
March 2025 40 40 72.5% 0
April 2025 18 18 72.2% 0
May 2025 14 14 92.9% 0
June 2025 33 33 54.6% 0
July 2025 40 40 40.0% 0
August 2025 31 31 80.7% 0
September 2025 30 30 90.0% 0
October 2025 6 6 83.3% 0
November 2025 27 27 77.8% 0
December 2025 50 50 62.0% 0
January 2026 7 7 42.9% 0
March 2026 50 48 52.1% 2
April 2026 14 13 69.2% 1
May 2026 5 5 100.0% 0
June 2026 19 19 47.4% 0
July 2026 23 23 47.8% 0

How to read this chart

Loading the guide…