WN3304

WN3304 (Southwest Airlines) is a multi-stop service on 18 routes, busiest Baltimore to Nashville. Of 527 departures recorded from November 2024 to July 2026, 71.2% 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
January585▼ 91.4%
February31––
March3343▲ 30.3%
April3031▲ 3.3%
May3026▼ 13.3%
June1622▲ 37.5%
July1223▲ 91.7%
August29––
September30––
October31–in progress
November23––
December19––

according to the US BTS · November 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
January81.0%100.0%▲ 23.4%
February90.3%––
March72.4%33.3%▼ 54.0%
April76.7%80.0%▲ 4.3%
May76.7%46.2%▼ 39.8%
June56.3%40.9%▼ 27.3%
July58.3%60.9%▲ 4.4%
August89.7%––
September100.0%––
October45.2%–in progress
November82.6%––
December89.5%––

according to the US BTS · November 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · November 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
January00–
February0––
March41▼ 75.0%
April01–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––

according to the US BTS · November 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 98.9% 521
  • Cancelled 1.1% 6

Share of all recorded flights in the period, all legs. · Nov 3, 2024 → Jul 31, 2026

On time, leg by leg

  1. BWI–BNA58 96.6%
  2. BOI–BUR57 75.4%
  3. MDW–MCI50 61.2%
  4. SAT–ATL42 85.7%
  5. HOU–PHX42 50.0%
  6. SJC–BOI40 87.5%
  7. MDW–ROC33 43.8%
  8. HOU–HRL33 72.4%

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
November 2024 19 19 73.7% 0
December 2024 16 16 93.8% 0
January 2025 58 58 81.0% 0
February 2025 31 31 90.3% 0
March 2025 33 29 72.4% 4
April 2025 30 30 76.7% 0
May 2025 30 30 76.7% 0
June 2025 16 16 56.3% 0
July 2025 12 12 58.3% 0
August 2025 29 29 89.7% 0
September 2025 30 30 100.0% 0
October 2025 31 31 45.2% 0
November 2025 23 23 82.6% 0
December 2025 19 19 89.5% 0
January 2026 5 5 100.0% 0
March 2026 43 42 33.3% 1
April 2026 31 30 80.0% 1
May 2026 26 26 46.2% 0
June 2026 22 22 40.9% 0
July 2026 23 23 60.9% 0

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