WN1235

WN1235 (Southwest Airlines) is a multi-stop service on 20 routes, busiest Baltimore to New Orleans. Of 380 departures recorded from October 2024 to March 2026, 72.5% 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 periods13 periods
PeriodDepartures 2025Departures 2026Change vs last year
January31––
February2810▼ 64.3%
March191▼ 94.7%
April39––
May47––
June28––
July28––
August21––
September21––
October30–in progress
November1––
December–––

according to the US BTS · October 2024 → March 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 periods13 periods
PeriodOn time 2025On time 2026Change vs last year
January81.5%––
February85.7%50.0%▼ 41.7%
March63.2%100.0%▲ 58.3%
April87.2%––
May83.0%––
June57.1%––
July60.7%––
August66.7%––
September47.6%––
October73.3%–in progress
November100.0%––
December–––

according to the US BTS · October 2024 → March 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → March 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods13 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January4––
February00–
March00–
April0––
May0––
June0––
July0––
August0––
September0––
October0–in progress
November0––
December–––

according to the US BTS · October 2024 → March 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% 375
  • Cancelled 1.3% 5

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Mar 1, 2026

On time, leg by leg

  1. BWI–MSY63 76.3%
  2. BOI–DEN51 52.9%
  3. LAS–LGB49 81.6%
  4. DAL–BWI44 76.7%
  5. SFO–LAX39 56.4%

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

Legs flown under this number

5
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 17 17 64.7% 0
November 2024 30 30 83.3% 0
December 2024 29 28 67.9% 1
January 2025 31 27 81.5% 4
February 2025 28 28 85.7% 0
March 2025 19 19 63.2% 0
April 2025 39 39 87.2% 0
May 2025 47 47 83.0% 0
June 2025 28 28 57.1% 0
July 2025 28 28 60.7% 0
August 2025 21 21 66.7% 0
September 2025 21 21 47.6% 0
October 2025 30 30 73.3% 0
November 2025 1 1 100.0% 0
February 2026 10 10 50.0% 0
March 2026 1 1 100.0% 0

How to read this chart

Loading the guide…