WN251

WN251 (Southwest Airlines) is a multi-stop service on 40 routes, busiest Atlanta to Orlando. Of 720 departures recorded from October 2024 to July 2026, 85.2% 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
January3139▲ 25.8%
February2835▲ 25.0%
March3140▲ 29.0%
April3632▼ 11.1%
May4031▼ 22.5%
June2130▲ 42.9%
July1631▲ 93.8%
August30––
September30––
October14–in progress
November56––
December53––
Year to date (Jan–Jul)203238▲ 17.2%

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
January87.1%91.9%▲ 5.5%
February96.4%88.6%▼ 8.2%
March100.0%84.6%▼ 15.4%
April94.4%96.9%▲ 2.6%
May77.5%96.8%▲ 24.9%
June47.6%55.2%▲ 15.9%
July43.8%58.1%▲ 32.7%
August73.3%––
September96.7%––
October64.3%–in progress
November96.4%––
December90.6%––
Year-to-date average (Jan–Jul)78.1%81.7%▲ 4.6%

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–
March110.0%
April00–
May00–
June01–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)14▲ 300.0%

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 99.3% 715
  • Cancelled 0.7% 5

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

On time, leg by leg

  1. ATL–MCO58 98.3%
  2. ATL–TPA53 88.5%
  3. AUS–LAS52 88.5%
  4. MDW–JAX42 83.3%
  5. BHM–BNA42 90.5%
  6. ALB–BWI42 90.5%
  7. LAX–AUS37 97.3%
  8. LAX–RNO33 96.9%

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 33 33 87.9% 0
November 2024 31 31 100.0% 0
December 2024 32 32 87.5% 0
January 2025 31 31 87.1% 0
February 2025 28 28 96.4% 0
March 2025 31 30 100.0% 1
April 2025 36 36 94.4% 0
May 2025 40 40 77.5% 0
June 2025 21 21 47.6% 0
July 2025 16 16 43.8% 0
August 2025 30 30 73.3% 0
September 2025 30 30 96.7% 0
October 2025 14 14 64.3% 0
November 2025 56 56 96.4% 0
December 2025 53 53 90.6% 0
January 2026 39 37 91.9% 2
February 2026 35 35 88.6% 0
March 2026 40 39 84.6% 1
April 2026 32 32 96.9% 0
May 2026 31 31 96.8% 0
June 2026 30 29 55.2% 1
July 2026 31 31 58.1% 0

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