Flight WN3579
Southwest Airlines flight WN3579
Looking for WN3579 in the air…
Alerts at this flight's airports
Chicago (MDW) to Portland (PDX)
Historically, this flight arrives 15+ minutes late 46% of the time, and when it is late the delay averages 48 minutes. It was cancelled 3.4% of the time.
- On-time arrivals
- 53.6%
- Less than 15 minutes late
- Cancelled
- 3.4%
- Of scheduled flights
- Average delay when late
- 48 min
- Flights arriving 15+ minutes late
- Flights tracked
- 58
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 53%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 17%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Orlando (MCO) to Columbus (CMH)
Historically, this flight arrives 15+ minutes late 41% of the time, and when it is late the delay averages 70 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 59.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 70 min
- Flights arriving 15+ minutes late
- Flights tracked
- 40
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 68%
- Airline (crew, maintenance, cleaning) 23%
- Air traffic control & airport 9%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (MDW) to Richmond (RIC)
Historically, this flight arrives 15+ minutes late 31% of the time, and when it is late the delay averages 46 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 69.4%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 46 min
- Flights arriving 15+ minutes late
- Flights tracked
- 36
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 40%
- Extreme weather 24%
- Air traffic control & airport 18%
- Late-arriving aircraft 17%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Richmond (RIC) to Orlando (MCO)
Historically, this flight arrives 15+ minutes late 67% of the time, and when it is late the delay averages 76 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 33.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 36
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 47%
- Late-arriving aircraft 27%
- Airline (crew, maintenance, cleaning) 17%
- Extreme weather 9%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Oakland (OAK) to Long Beach (LGB)
Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 59 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 76.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 30
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 65%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Kansas City (MCI)
Historically, this flight arrives 15+ minutes late 58% of the time, and when it is late the delay averages 113 minutes. It was cancelled 14.3% of the time.
- On-time arrivals
- 41.7%
- Less than 15 minutes late
- Cancelled
- 14.3%
- Of scheduled flights
- Average delay when late
- 113 min
- Flights arriving 15+ minutes late
- Flights tracked
- 28
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 83%
- Air traffic control & airport 11%
- Airline (crew, maintenance, cleaning) 5%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Orlando (MCO) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 48% of the time, and when it is late the delay averages 49 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 52.4%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 49 min
- Flights arriving 15+ minutes late
- Flights tracked
- 21
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 49%
- Late-arriving aircraft 33%
- Extreme weather 13%
- Security 5%
- Airline (crew, maintenance, cleaning) 1%
Share of delay minutes airlines attributed to each cause (BTS).
Portland (PDX) to Oakland (OAK)
Only 18 flights on record, which is too few for reliable odds.
- On-time arrivals
- 66.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 30 min
- Flights arriving 15+ minutes late
- Flights tracked
- 18
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 53%
- Airline (crew, maintenance, cleaning) 43%
- Air traffic control & airport 5%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Midland (MAF) to Las Vegas (LAS)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 6.2%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
Burbank (BUR) to San Francisco (SFO)
Only 12 flights on record, which is too few for reliable odds.
- On-time arrivals
- 66.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 82 min
- Flights arriving 15+ minutes late
- Flights tracked
- 12
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 80%
- Air traffic control & airport 20%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Austin (AUS) to Midland (MAF)
Only 8 flights on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 8
- Scheduled flights in the period
Houston (HOU) to Midland (MAF)
Only 8 flights on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 12.5%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 8
- Scheduled flights in the period
San Jose (SJC) to Denver (DEN)
Only 8 flights on record, which is too few for reliable odds.
- On-time arrivals
- 87.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 8
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Airline (crew, maintenance, cleaning) 39%
- Air traffic control & airport 11%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Salt Lake City (SLC) to Austin (AUS)
Only 8 flights on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 8
- Scheduled flights in the period
Las Vegas (LAS) to Sacramento (SMF)
Only 3 flights on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 3
- Scheduled flights in the period
Oakland (OAK) to Albuquerque (ABQ)
Only 1 flight on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 52.4% | 21 |
| October 2025 | 76.7% | 30 |
| November 2025 | 73.7% | 20 |
| December 2025 | 58.8% | 17 |
| January 2026 | 60.0% | 12 |
| February 2026 | 100.0% | 32 |
| March 2026 | 50.0% | 26 |
| April 2026 | 50.0% | 37 |
| May 2026 | 55.3% | 39 |
| June 2026 | 67.6% | 37 |
| July 2026 | 44.4% | 36 |
| August 2026 | 66.7% | 24 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data