WN1513

WN1513 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Las Vegas to Chicago. Of 723 departures recorded from October 2024 to July 2026, 72.6% 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
January30300.0%
February2628▲ 7.7%
March6239▼ 37.1%
April4348▲ 11.6%
May3647▲ 30.6%
June2638▲ 46.2%
July2634▲ 30.8%
August30––
September30––
October31–in progress
November16––
December25––
Year to date (Jan–Jul)249264▲ 6.0%

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
January76.7%90.0%▲ 17.4%
February84.6%57.1%▼ 32.5%
March93.6%62.2%▼ 33.6%
April90.5%55.3%▼ 38.9%
May94.4%51.1%▼ 45.9%
June73.1%32.4%▼ 55.6%
July61.5%20.6%▼ 66.5%
August66.7%––
September93.3%––
October87.1%–in progress
November93.8%––
December86.4%––
Year-to-date average (Jan–Jul)82.1%52.7%▼ 35.8%

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
January00–
February00–
March02–
April110.0%
May00–
June01–
July00–
August0––
September0––
October0–in progress
November0––
December3––
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 98.9% 715
  • Cancelled 1.1% 8

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

On time, leg by leg

  1. LAS–ORD90 78.9%
  2. TPA–PHX58 82.8%
  3. SEA–DEN58 74.1%
  4. ONT–BNA58 94.8%
  5. LAS–DEN58 48.3%
  6. BUR–MCI51 62.8%
  7. CLT–MDW49 16.7%
  8. BUR–OAK43 90.0%

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 22 22 81.8% 0
November 2024 28 28 78.6% 0
December 2024 28 28 89.3% 0
January 2025 30 30 76.7% 0
February 2025 26 26 84.6% 0
March 2025 62 62 93.6% 0
April 2025 43 42 90.5% 1
May 2025 36 36 94.4% 0
June 2025 26 26 73.1% 0
July 2025 26 26 61.5% 0
August 2025 30 30 66.7% 0
September 2025 30 30 93.3% 0
October 2025 31 31 87.1% 0
November 2025 16 16 93.8% 0
December 2025 25 22 86.4% 3
January 2026 30 30 90.0% 0
February 2026 28 28 57.1% 0
March 2026 39 37 62.2% 2
April 2026 48 47 55.3% 1
May 2026 47 47 51.1% 0
June 2026 38 37 32.4% 1
July 2026 34 34 20.6% 0

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