WN1742

WN1742 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Charleston to Baltimore. Of 682 departures recorded from October 2024 to July 2026, 77.2% 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
January3526▼ 25.7%
February3420▼ 41.2%
March3326▼ 21.2%
April3047▲ 56.7%
May3152▲ 67.7%
June3025▼ 16.7%
July3021▼ 30.0%
August31––
September30––
October31–in progress
November33––
December33––
Year to date (Jan–Jul)223217▼ 2.7%

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
January71.9%79.2%▲ 10.1%
February76.5%83.3%▲ 9.0%
March81.8%46.2%▼ 43.6%
April83.3%80.9%▼ 3.0%
May61.3%78.9%▲ 28.7%
June86.2%58.3%▼ 32.3%
July93.3%63.2%▼ 32.3%
August93.6%––
September93.3%––
October93.6%–in progress
November65.6%––
December65.6%––
Year-to-date average (Jan–Jul)79.2%70.0%▼ 11.6%

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
January32▼ 33.3%
February02–
March00–
April00–
May00–
June110.0%
July02–
August0––
September0––
October0–in progress
November1––
December1––
Year to date (Jan–Jul)47▲ 75.0%

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 97.7% 666
  • Cancelled 2.3% 16

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

On time, leg by leg

  1. CHS–BWI114 81.1%
  2. DAL–ELP86 95.2%
  3. TPA–BWI60 89.8%
  4. MDW–SRQ58 74.1%
  5. MCO–SAN46 51.1%
  6. SBA–OAK42 81.0%
  7. OAK–GEG33 93.9%
  8. BNA–FLL31 93.6%

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 19 16 75.0% 3
November 2024 30 30 93.3% 0
December 2024 35 35 62.9% 0
January 2025 35 32 71.9% 3
February 2025 34 34 76.5% 0
March 2025 33 33 81.8% 0
April 2025 30 30 83.3% 0
May 2025 31 31 61.3% 0
June 2025 30 29 86.2% 1
July 2025 30 30 93.3% 0
August 2025 31 31 93.6% 0
September 2025 30 30 93.3% 0
October 2025 31 31 93.6% 0
November 2025 33 32 65.6% 1
December 2025 33 32 65.6% 1
January 2026 26 24 79.2% 2
February 2026 20 18 83.3% 2
March 2026 26 26 46.2% 0
April 2026 47 47 80.9% 0
May 2026 52 52 78.9% 0
June 2026 25 24 58.3% 1
July 2026 21 19 63.2% 2

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