WN1247

WN1247 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Nashville to Baltimore. Of 706 departures recorded from October 2024 to July 2026, 72.0% 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
January31310.0%
February3625▼ 30.6%
March2045▲ 125.0%
April2732▲ 18.5%
May31310.0%
June2649▲ 88.5%
July2655▲ 111.5%
August31––
September30––
October36–in progress
November29––
December31––
Year to date (Jan–Jul)197268▲ 36.0%

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
January76.7%83.3%▲ 8.7%
February91.7%60.0%▼ 34.5%
March90.0%63.6%▼ 29.3%
April85.2%62.5%▼ 26.6%
May76.7%61.3%▼ 20.1%
June46.2%57.1%▲ 23.8%
July36.4%41.5%▲ 14.2%
August61.3%––
September80.0%––
October94.4%–in progress
November93.1%––
December96.8%––
Year-to-date average (Jan–Jul)71.8%61.3%▼ 14.6%

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
January110.0%
February00–
March01–
April00–
May10▼ 100.0%
June00–
July42▼ 50.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)64▼ 33.3%

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 98.6% 696
  • Cancelled 1.4% 10

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

On time, leg by leg

  1. BNA–BWI70 77.1%
  2. MCO–BWI67 78.5%
  3. STL–MCO64 95.3%
  4. DEN–MEM58 74.1%
  5. RDU–MCO57 66.7%
  6. MSY–SAT55 70.4%
  7. CVG–BWI49 52.1%
  8. BWI–ROC34 29.0%

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

Legs flown under this number

8
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 26 26 100.0% 0
November 2024 29 29 82.8% 0
December 2024 29 29 69.0% 0
January 2025 31 30 76.7% 1
February 2025 36 36 91.7% 0
March 2025 20 20 90.0% 0
April 2025 27 27 85.2% 0
May 2025 31 30 76.7% 1
June 2025 26 26 46.2% 0
July 2025 26 22 36.4% 4
August 2025 31 31 61.3% 0
September 2025 30 30 80.0% 0
October 2025 36 36 94.4% 0
November 2025 29 29 93.1% 0
December 2025 31 31 96.8% 0
January 2026 31 30 83.3% 1
February 2026 25 25 60.0% 0
March 2026 45 44 63.6% 1
April 2026 32 32 62.5% 0
May 2026 31 31 61.3% 0
June 2026 49 49 57.1% 0
July 2026 55 53 41.5% 2

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