WN1335

WN1335 (Southwest Airlines) is a multi-stop service on 39 routes, busiest Atlanta to Memphis. Of 761 departures recorded from October 2024 to July 2026, 83.0% 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
January3640▲ 11.1%
February2844▲ 57.1%
March3129▼ 6.5%
April3053▲ 76.7%
May3061▲ 103.3%
June3013▼ 56.7%
July3011▼ 63.3%
August27––
September26––
October39–in progress
November30––
December31––
Year to date (Jan–Jul)215251▲ 16.7%

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
January68.6%80.0%▲ 16.7%
February85.7%95.5%▲ 11.4%
March64.5%75.9%▲ 17.6%
April80.0%90.6%▲ 13.2%
May86.2%86.9%▲ 0.8%
June90.0%58.3%▼ 35.2%
July83.3%44.4%▼ 46.7%
August81.5%––
September92.3%––
October76.9%–in progress
November86.7%––
December87.1%––
Year-to-date average (Jan–Jul)79.8%75.9%▼ 4.8%

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
January15▲ 400.0%
February00–
March00–
April00–
May10▼ 100.0%
June01–
July02–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)28▲ 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 98.7% 751
  • Cancelled 1.3% 10

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 2026

On time, leg by leg

  1. ATL–MEM68 89.6%
  2. SJC–SAN64 85.9%
  3. BUR–BNA60 90.0%
  4. RSW–BWI57 100.0%
  5. AUS–DEN50 86.0%
  6. PHX–SMF42 82.9%
  7. TUL–DAL39 92.1%

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 24 24 91.7% 0
November 2024 72 72 94.4% 0
December 2024 46 46 67.4% 0
January 2025 36 35 68.6% 1
February 2025 28 28 85.7% 0
March 2025 31 31 64.5% 0
April 2025 30 30 80.0% 0
May 2025 30 29 86.2% 1
June 2025 30 30 90.0% 0
July 2025 30 30 83.3% 0
August 2025 27 27 81.5% 0
September 2025 26 26 92.3% 0
October 2025 39 39 76.9% 0
November 2025 30 30 86.7% 0
December 2025 31 31 87.1% 0
January 2026 40 35 80.0% 5
February 2026 44 44 95.5% 0
March 2026 29 29 75.9% 0
April 2026 53 53 90.6% 0
May 2026 61 61 86.9% 0
June 2026 13 12 58.3% 1
July 2026 11 9 44.4% 2

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