WN1151

WN1151 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Baltimore to Cincinnati. Of 648 departures recorded from October 2024 to July 2026, 76.4% 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
January3132▲ 3.2%
February2028▲ 40.0%
March3031▲ 3.3%
April2730▲ 11.1%
May2530▲ 20.0%
June30300.0%
July31310.0%
August30––
September30––
October20–in progress
November38––
December45––
Year to date (Jan–Jul)194212▲ 9.3%

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
January74.2%83.9%▲ 13.0%
February68.4%85.2%▲ 24.5%
March86.7%61.3%▼ 29.3%
April74.1%90.0%▲ 21.5%
May72.0%80.0%▲ 11.1%
June60.0%66.7%▲ 11.1%
July67.7%67.7%0.0%
August66.7%––
September83.3%––
October70.0%–in progress
November89.5%––
December80.0%––
Year-to-date average (Jan–Jul)71.9%76.4%▲ 6.3%

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
January01–
February110.0%
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)12▲ 100.0%

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 99.5% 645
  • Cancelled 0.5% 3

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

On time, leg by leg

  1. BWI–CVG64 78.1%
  2. DEN–STL61 67.2%
  3. PHX–ABQ42 69.1%
  4. LAS–OMA33 66.7%
  5. HOU–PHX33 81.8%
  6. CLE–BNA33 69.7%
  7. CHS–STL33 90.9%
  8. ORD–DAL31 83.9%

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 15 15 86.7% 0
November 2024 32 32 87.5% 0
December 2024 32 32 75.0% 0
January 2025 31 31 74.2% 0
February 2025 20 19 68.4% 1
March 2025 30 30 86.7% 0
April 2025 27 27 74.1% 0
May 2025 25 25 72.0% 0
June 2025 30 30 60.0% 0
July 2025 31 31 67.7% 0
August 2025 30 30 66.7% 0
September 2025 30 30 83.3% 0
October 2025 20 20 70.0% 0
November 2025 38 38 89.5% 0
December 2025 45 45 80.0% 0
January 2026 32 31 83.9% 1
February 2026 28 27 85.2% 1
March 2026 31 31 61.3% 0
April 2026 30 30 90.0% 0
May 2026 30 30 80.0% 0
June 2026 30 30 66.7% 0
July 2026 31 31 67.7% 0

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