WN448

WN448 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Milwaukee to Baltimore. Of 692 departures recorded from October 2024 to July 2026, 78.7% 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
January3160▲ 93.5%
February2852▲ 85.7%
March2543▲ 72.0%
April2829▲ 3.6%
May3126▼ 16.1%
June3622▼ 38.9%
July4019▼ 52.5%
August27––
September26––
October23–in progress
November31––
December33––
Year to date (Jan–Jul)219251▲ 14.6%

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
January92.9%72.4%▼ 22.0%
February92.9%73.1%▼ 21.3%
March72.0%67.5%▼ 6.3%
April66.7%79.3%▲ 19.0%
May73.3%100.0%▲ 36.4%
June72.2%81.8%▲ 13.3%
July68.4%79.0%▲ 15.4%
August59.3%––
September57.7%––
October95.7%–in progress
November90.3%––
December90.9%––
Year-to-date average (Jan–Jul)76.9%79.0%▲ 2.7%

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%
February00–
March03–
April10▼ 100.0%
May10▼ 100.0%
June00–
July20▼ 100.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)75▼ 28.6%

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 98.3% 680
  • Cancelled 1.7% 12

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

On time, leg by leg

  1. MKE–BWI80 89.7%
  2. PIT–LAS60 63.8%
  3. MCO–MSY58 74.1%
  4. MCI–LGA50 98.0%
  5. PHX–SAN42 66.7%
  6. DEN–OKC42 54.8%
  7. DAL–MCO41 90.2%

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

Legs flown under this number

7
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 100.0% 0
November 2024 24 24 87.5% 0
December 2024 38 38 84.2% 0
January 2025 31 28 92.9% 3
February 2025 28 28 92.9% 0
March 2025 25 25 72.0% 0
April 2025 28 27 66.7% 1
May 2025 31 30 73.3% 1
June 2025 36 36 72.2% 0
July 2025 40 38 68.4% 2
August 2025 27 27 59.3% 0
September 2025 26 26 57.7% 0
October 2025 23 23 95.7% 0
November 2025 31 31 90.3% 0
December 2025 33 33 90.9% 0
January 2026 60 58 72.4% 2
February 2026 52 52 73.1% 0
March 2026 43 40 67.5% 3
April 2026 29 29 79.3% 0
May 2026 26 26 100.0% 0
June 2026 22 22 81.8% 0
July 2026 19 19 79.0% 0

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