WN1852

WN1852 (Southwest Airlines) is a multi-stop service on 37 routes, busiest Las Vegas to Burbank. Of 676 departures recorded from October 2024 to July 2026, 79.6% 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
January1132▲ 190.9%
February1733▲ 94.1%
March3536▲ 2.9%
April3431▼ 8.8%
May3431▼ 8.8%
June2723▼ 14.8%
July2723▼ 14.8%
August48––
September52––
October39–in progress
November30––
December31––
Year to date (Jan–Jul)185209▲ 13.0%

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
January81.8%93.3%▲ 14.1%
February76.5%87.1%▲ 13.9%
March100.0%72.2%▼ 27.8%
April97.1%90.3%▼ 6.9%
May76.5%74.2%▼ 3.0%
June74.1%30.4%▼ 58.9%
July66.7%39.1%▼ 41.3%
August68.8%––
September98.1%––
October89.7%–in progress
November86.7%––
December64.5%––
Year-to-date average (Jan–Jul)81.8%69.5%▼ 15.0%

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–
February02–
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)04

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 99.4% 672
  • Cancelled 0.6% 4

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

On time, leg by leg

  1. LAS–BUR57 80.7%
  2. FLL–BWI56 98.1%
  3. MCO–AUS52 69.2%
  4. DEN–SNA42 81.0%
  5. BWI–ONT42 85.7%
  6. FLL–BNA41 29.3%
  7. BNA–TPA39 79.5%
  8. MCO–DCA33 75.8%

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 87.0% 0
November 2024 29 29 82.8% 0
December 2024 30 30 80.0% 0
January 2025 11 11 81.8% 0
February 2025 17 17 76.5% 0
March 2025 35 35 100.0% 0
April 2025 34 34 97.1% 0
May 2025 34 34 76.5% 0
June 2025 27 27 74.1% 0
July 2025 27 27 66.7% 0
August 2025 48 48 68.8% 0
September 2025 52 52 98.1% 0
October 2025 39 39 89.7% 0
November 2025 30 30 86.7% 0
December 2025 31 31 64.5% 0
January 2026 32 30 93.3% 2
February 2026 33 31 87.1% 2
March 2026 36 36 72.2% 0
April 2026 31 31 90.3% 0
May 2026 31 31 74.2% 0
June 2026 23 23 30.4% 0
July 2026 23 23 39.1% 0

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