WN1291

WN1291 (Southwest Airlines) is a multi-stop service on 35 routes, busiest Baltimore to Chicago. Of 609 departures recorded from October 2024 to July 2026, 69.6% 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
January2831▲ 10.7%
February2532▲ 28.0%
March2739▲ 44.4%
April2644▲ 69.2%
May2750▲ 85.2%
June1715▼ 11.8%
July1914▼ 26.3%
August22––
September21––
October34–in progress
November29––
December31––
Year to date (Jan–Jul)169225▲ 33.1%

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
January76.9%86.7%▲ 12.7%
February88.0%46.9%▼ 46.7%
March96.2%50.0%▼ 48.0%
April76.0%68.2%▼ 10.3%
May63.0%64.0%▲ 1.7%
June70.6%20.0%▼ 71.7%
July63.2%14.3%▼ 77.4%
August68.2%––
September85.7%––
October79.4%–in progress
November72.4%––
December58.1%––
Year-to-date average (Jan–Jul)76.3%50.0%▼ 34.4%

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
January21▼ 50.0%
February00–
March13▲ 200.0%
April10▼ 100.0%
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)440.0%

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 98.7% 601
  • Cancelled 1.3% 8

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

On time, leg by leg

  1. BWI–MDW73 83.3%
  2. RDU–DEN59 61.0%
  3. SJC–SAN55 72.2%
  4. PIT–TPA50 66.0%
  5. CHS–BNA50 58.0%
  6. BWI–CHS40 80.0%
  7. RDU–DAL34 82.4%
  8. MDW–PHX33 36.7%

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 14 14 85.7% 0
November 2024 32 32 90.6% 0
December 2024 32 32 78.1% 0
January 2025 28 26 76.9% 2
February 2025 25 25 88.0% 0
March 2025 27 26 96.2% 1
April 2025 26 25 76.0% 1
May 2025 27 27 63.0% 0
June 2025 17 17 70.6% 0
July 2025 19 19 63.2% 0
August 2025 22 22 68.2% 0
September 2025 21 21 85.7% 0
October 2025 34 34 79.4% 0
November 2025 29 29 72.4% 0
December 2025 31 31 58.1% 0
January 2026 31 30 86.7% 1
February 2026 32 32 46.9% 0
March 2026 39 36 50.0% 3
April 2026 44 44 68.2% 0
May 2026 50 50 64.0% 0
June 2026 15 15 20.0% 0
July 2026 14 14 14.3% 0

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