WN1255

WN1255 (Southwest Airlines) is a multi-stop service on 33 routes, busiest Washington to Orlando. Of 717 departures recorded from October 2024 to July 2026, 73.7% 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
January3135▲ 12.9%
February2826▼ 7.1%
March31310.0%
April3027▼ 10.0%
May3126▼ 16.1%
June3049▲ 63.3%
July3153▲ 71.0%
August30––
September30––
October39–in progress
November31––
December31––
Year to date (Jan–Jul)212247▲ 16.5%

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
January58.1%90.9%▲ 56.6%
February57.1%92.3%▲ 61.6%
March96.8%50.0%▼ 48.3%
April83.3%63.0%▼ 24.4%
May70.0%46.2%▼ 34.1%
June96.6%42.9%▼ 55.6%
July96.8%47.2%▼ 51.3%
August86.7%––
September90.0%––
October97.4%–in progress
November64.5%––
December76.7%––
Year-to-date average (Jan–Jul)79.8%61.8%▼ 22.6%

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
January02–
February00–
March01–
April00–
May10▼ 100.0%
June10▼ 100.0%
July00–
August0––
September0––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)23▲ 50.0%

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 99.2% 711
  • Cancelled 0.8% 6

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

On time, leg by leg

  1. DCA–MCO123 65.9%
  2. SAT–BNA60 96.6%
  3. BNA–CHS60 71.2%
  4. BNA–ONT58 77.2%
  5. PIT–TPA57 87.7%
  6. IND–LAS49 55.1%
  7. AUS–DAL42 47.6%
  8. SMF–ONT33 93.9%

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

Legs flown under this number

11
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 30 30 93.3% 0
November 2024 33 33 84.9% 0
December 2024 34 34 64.7% 0
January 2025 31 31 58.1% 0
February 2025 28 28 57.1% 0
March 2025 31 31 96.8% 0
April 2025 30 30 83.3% 0
May 2025 31 30 70.0% 1
June 2025 30 29 96.6% 1
July 2025 31 31 96.8% 0
August 2025 30 30 86.7% 0
September 2025 30 30 90.0% 0
October 2025 39 39 97.4% 0
November 2025 31 31 64.5% 0
December 2025 31 30 76.7% 1
January 2026 35 33 90.9% 2
February 2026 26 26 92.3% 0
March 2026 31 30 50.0% 1
April 2026 27 27 63.0% 0
May 2026 26 26 46.2% 0
June 2026 49 49 42.9% 0
July 2026 53 53 47.2% 0

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