WN4876

WN4876 (Southwest Airlines) is a multi-stop service on 16 routes, busiest Denver to Omaha. Of 316 departures recorded from October 2024 to July 2026, 77.2% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods12 periods
PeriodDepartures 2025Departures 2026Change vs last year
January4816▼ 66.7%
February5144▼ 13.7%
March345▼ 85.3%
April7––
May–––
June–27–
July–30–
August–––
September–––
October4–in progress
November3––
December9––

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods12 periods
PeriodOn time 2025On time 2026Change vs last year
January85.4%93.8%▲ 9.8%
February70.6%93.2%▲ 32.0%
March85.3%40.0%▼ 53.1%
April85.7%––
May–––
June–48.2%–
July–53.3%–
August–––
September–––
October50.0%–in progress
November66.7%––
December77.8%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods12 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February00–
March00–
April0––
May–––
June–0–
July–0–
August–––
September–––
October0–in progress
November0––
December0––

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 100.0% 316
  • Cancelled 0.0% 0

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

On time, leg by leg

  1. DEN–OMA79 79.8%
  2. SAN–TUS57 50.9%
  3. LAS–ATL32 93.8%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 10 10 80.0% 0
November 2024 12 12 91.7% 0
December 2024 16 16 93.8% 0
January 2025 48 48 85.4% 0
February 2025 51 51 70.6% 0
March 2025 34 34 85.3% 0
April 2025 7 7 85.7% 0
October 2025 4 4 50.0% 0
November 2025 3 3 66.7% 0
December 2025 9 9 77.8% 0
January 2026 16 16 93.8% 0
February 2026 44 44 93.2% 0
March 2026 5 5 40.0% 0
June 2026 27 27 48.2% 0
July 2026 30 30 53.3% 0

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