WN1448

WN1448 (Southwest Airlines) is a multi-stop service on 36 routes, busiest Buffalo to Baltimore. Of 635 departures recorded from October 2024 to July 2026, 76.8% 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
January3012▼ 60.0%
February2819▼ 32.1%
March3147▲ 51.6%
April2936▲ 24.1%
May3138▲ 22.6%
June3026▼ 13.3%
July3128▼ 9.7%
August27––
September26––
October43–in progress
November29––
December28––
Year to date (Jan–Jul)210206▼ 1.9%

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
January78.6%75.0%▼ 4.5%
February67.9%84.2%▲ 24.1%
March90.3%83.0%▼ 8.1%
April96.6%86.1%▼ 10.8%
May80.7%52.6%▼ 34.7%
June90.0%54.2%▼ 39.8%
July76.7%26.9%▼ 64.9%
August85.2%––
September76.9%––
October81.4%–in progress
November86.2%––
December71.4%––
Year-to-date average (Jan–Jul)82.9%66.0%▼ 20.4%

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
January20▼ 100.0%
February00–
March00–
April00–
May00–
June02–
July12▲ 100.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)34▲ 33.3%

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 98.9% 628
  • Cancelled 1.1% 7

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

On time, leg by leg

  1. BUF–BWI81 88.8%
  2. PHX–TPA57 87.7%
  3. COS–PHX50 68.0%
  4. PHX–IND42 81.0%
  5. DCA–MDW42 36.8%
  6. TPA–DEN34 73.5%
  7. BWI–CHS33 87.9%
  8. DTW–MDW31 77.4%

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

Legs flown under this number

9
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 100.0% 0
November 2024 16 16 100.0% 0
December 2024 30 30 53.3% 0
January 2025 30 28 78.6% 2
February 2025 28 28 67.9% 0
March 2025 31 31 90.3% 0
April 2025 29 29 96.6% 0
May 2025 31 31 80.7% 0
June 2025 30 30 90.0% 0
July 2025 31 30 76.7% 1
August 2025 27 27 85.2% 0
September 2025 26 26 76.9% 0
October 2025 43 43 81.4% 0
November 2025 29 29 86.2% 0
December 2025 28 28 71.4% 0
January 2026 12 12 75.0% 0
February 2026 19 19 84.2% 0
March 2026 47 47 83.0% 0
April 2026 36 36 86.1% 0
May 2026 38 38 52.6% 0
June 2026 26 24 54.2% 2
July 2026 28 26 26.9% 2

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