WN1518

WN1518 (Southwest Airlines) is a multi-stop service on 36 routes, busiest Oakland to Burbank. Of 752 departures recorded from October 2024 to July 2026, 72.1% 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
January3534▼ 2.9%
February3928▼ 28.2%
March1031▲ 210.0%
April2553▲ 112.0%
May3761▲ 64.9%
June3132▲ 3.2%
July3631▼ 13.9%
August30––
September30––
October38–in progress
November37––
December34––
Year to date (Jan–Jul)213270▲ 26.8%

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
January88.6%87.9%▼ 0.8%
February71.8%67.9%▼ 5.5%
March60.0%63.3%▲ 5.5%
April80.0%62.3%▼ 22.2%
May59.5%36.1%▼ 39.3%
June64.5%77.4%▲ 20.0%
July55.6%77.4%▲ 39.3%
August86.7%––
September76.7%––
October97.4%–in progress
November83.8%––
December47.1%––
Year-to-date average (Jan–Jul)68.6%67.5%▼ 1.6%

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
January01–
February00–
March01–
April00–
May00–
June01–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)03

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 99.6% 749
  • Cancelled 0.4% 3

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

On time, leg by leg

  1. OAK–BUR107 66.4%
  2. DEN–DAL57 78.6%
  3. DEN–MCO44 77.3%
  4. SMF–BUR42 69.1%
  5. TPA–DCA40 75.0%
  6. BUR–OAK40 72.5%
  7. BNA–MIA33 62.5%
  8. BHM–HOU33 78.8%

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

Legs flown under this number

10
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 23 23 82.6% 0
November 2024 35 35 94.3% 0
December 2024 42 42 90.5% 0
January 2025 35 35 88.6% 0
February 2025 39 39 71.8% 0
March 2025 10 10 60.0% 0
April 2025 25 25 80.0% 0
May 2025 37 37 59.5% 0
June 2025 31 31 64.5% 0
July 2025 36 36 55.6% 0
August 2025 30 30 86.7% 0
September 2025 30 30 76.7% 0
October 2025 38 38 97.4% 0
November 2025 37 37 83.8% 0
December 2025 34 34 47.1% 0
January 2026 34 33 87.9% 1
February 2026 28 28 67.9% 0
March 2026 31 30 63.3% 1
April 2026 53 53 62.3% 0
May 2026 61 61 36.1% 0
June 2026 32 31 77.4% 1
July 2026 31 31 77.4% 0

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