WN1912

WN1912 (Southwest Airlines) is a multi-stop service on 23 routes, busiest Atlanta to Miami. Of 564 departures recorded from October 2024 to July 2026, 74.2% 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
January3011▼ 63.3%
February2618▼ 30.8%
March833▲ 312.5%
April3831▼ 18.4%
May4831▼ 35.4%
June3610▼ 72.2%
July3410▼ 70.6%
August32––
September30––
October27–in progress
November22––
December26––
Year to date (Jan–Jul)220144▼ 34.5%

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
January86.2%81.8%▼ 5.1%
February92.3%77.8%▼ 15.7%
March75.0%87.9%▲ 17.2%
April73.7%96.8%▲ 31.3%
May77.1%58.1%▼ 24.7%
June60.0%30.0%▼ 50.0%
July51.6%50.0%▼ 3.1%
August53.1%––
September60.0%––
October96.3%–in progress
November72.7%––
December92.3%––
Year-to-date average (Jan–Jul)73.7%68.9%▼ 6.5%

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
January10▼ 100.0%
February00–
March00–
April00–
May00–
June10▼ 100.0%
July30▼ 100.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)50▼ 100.0%

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 99.1% 559
  • Cancelled 0.9% 5

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

On time, leg by leg

  1. ATL–MIA100 81.8%
  2. BWI–MCO60 50.0%
  3. PHL–DEN58 60.3%
  4. LAS–MCO58 74.1%
  5. BWI–IND49 71.4%
  6. LAX–ABQ33 87.9%

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

Legs flown under this number

6
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 90.0% 0
November 2024 16 16 81.3% 0
December 2024 27 27 66.7% 0
January 2025 30 29 86.2% 1
February 2025 26 26 92.3% 0
March 2025 8 8 75.0% 0
April 2025 38 38 73.7% 0
May 2025 48 48 77.1% 0
June 2025 36 35 60.0% 1
July 2025 34 31 51.6% 3
August 2025 32 32 53.1% 0
September 2025 30 30 60.0% 0
October 2025 27 27 96.3% 0
November 2025 22 22 72.7% 0
December 2025 26 26 92.3% 0
January 2026 11 11 81.8% 0
February 2026 18 18 77.8% 0
March 2026 33 33 87.9% 0
April 2026 31 31 96.8% 0
May 2026 31 31 58.1% 0
June 2026 10 10 30.0% 0
July 2026 10 10 50.0% 0

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