WN3915

WN3915 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Oakland to Santa Ana. Of 420 departures recorded from October 2024 to July 2026, 84.7% 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 periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January245▼ 79.2%
February19––
March3027▼ 10.0%
April219▼ 57.1%
May176▼ 64.7%
June234▼ 82.6%
July213▼ 85.7%
August30––
September30––
October34–in progress
November31––
December31––

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 periods18 periods
PeriodOn time 2025On time 2026Change vs last year
January95.5%100.0%▲ 4.8%
February94.7%––
March83.3%100.0%▲ 20.0%
April85.7%77.8%▼ 9.3%
May82.4%50.0%▼ 39.3%
June73.9%50.0%▼ 32.4%
July95.2%100.0%▲ 5.0%
August86.7%––
September93.3%––
October76.5%–in progress
November83.9%––
December87.1%––

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 periods18 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January20▼ 100.0%
February0––
March01–
April00–
May00–
June00–
July00–
August0––
September0––
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 99.3% 417
  • Cancelled 0.7% 3

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 25, 2026

On time, leg by leg

  1. OAK–SNA64 89.1%
  2. STL–RDU50 96.0%
  3. PHX–RDU45 86.7%
  4. FLL–IND34 76.5%
  5. MCO–BWI33 84.9%
  6. ALB–BWI33 100.0%
  7. MDW–TPA30 70.0%

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 11 11 100.0% 0
November 2024 16 16 75.0% 0
December 2024 28 28 64.3% 0
January 2025 24 22 95.5% 2
February 2025 19 19 94.7% 0
March 2025 30 30 83.3% 0
April 2025 21 21 85.7% 0
May 2025 17 17 82.4% 0
June 2025 23 23 73.9% 0
July 2025 21 21 95.2% 0
August 2025 30 30 86.7% 0
September 2025 30 30 93.3% 0
October 2025 34 34 76.5% 0
November 2025 31 31 83.9% 0
December 2025 31 31 87.1% 0
January 2026 5 5 100.0% 0
March 2026 27 26 100.0% 1
April 2026 9 9 77.8% 0
May 2026 6 6 50.0% 0
June 2026 4 4 50.0% 0
July 2026 3 3 100.0% 0

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