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Flight WN4743

Southwest Airlines flight WN4743

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Looking for WN4743 in the air…

  • Watch Ground Delay Program SAN

    Ground Delay Program at San Diego International Airport (SAN): Average 37 minutes, up to 1 hour and 11 minutes

    Reason: airport volume

    Airport status

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  • Advisory Coastal Flood Statement FLL

    COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING

    Weather

  • Advisory Coastal Flood Advisory CLD, SAN, SNA

    COASTAL FLOOD ADVISORY IN EFFECT FROM 4 AM FRIDAY TO NOON PST TUESDAY

    Weather

Houston (HOU) to Harlingen (HRL)

Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 50 minutes. It was cancelled 0.0% of the time.

On-time arrivals
91.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
50 min
Flights arriving 15+ minutes late
Flights tracked
45
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 56%
  • Airline (crew, maintenance, cleaning) 36%
  • Late-arriving aircraft 7%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Chicago (MDW) to Los Angeles (LAX)

Historically, this flight arrives 15+ minutes late 54% of the time, and when it is late the delay averages 46 minutes. It was cancelled 0.0% of the time.

On-time arrivals
46.4%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
46 min
Flights arriving 15+ minutes late
Flights tracked
28
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 50%
  • Late-arriving aircraft 36%
  • Air traffic control & airport 14%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Baltimore (BWI) to San Diego (SAN)

Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 51 minutes. It was cancelled 0.0% of the time.

On-time arrivals
72.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
51 min
Flights arriving 15+ minutes late
Flights tracked
22
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 64%
  • Late-arriving aircraft 30%
  • Air traffic control & airport 6%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Chicago (MDW) to Charlotte (CLT)

Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 39 minutes. It was cancelled 4.5% of the time.

On-time arrivals
71.4%
Less than 15 minutes late
Cancelled
4.5%
Of scheduled flights
Average delay when late
39 min
Flights arriving 15+ minutes late
Flights tracked
22
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 57%
  • Airline (crew, maintenance, cleaning) 43%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Fort Lauderdale (FLL) to Baltimore (BWI)

Only 6 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
6
Scheduled flights in the period

Las Vegas (LAS) to Santa Barbara (SBA)

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

Denver (DEN) to Chicago (ORD)

Only 1 flight on record, which is too few for reliable odds.

On-time arrivals
0.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
202 min
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 100%
  • Airline (crew, maintenance, cleaning) 0%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Indianapolis (IND) to Orlando (MCO)

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

Sacramento (SMF) to San Diego (SAN)

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

In the news

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On-time arrivals by month
Oct 2025 Aug 2026
Show as table
MonthOn timeFlights
October 2025 76.9% 26
November 2025 66.7% 3
December 2025 100.0% 1
January 2026 60.0% 6
February 2026 77.8% 18
March 2026 100.0% 2
June 2026 85.0% 20
July 2026 95.5% 22
August 2026 51.6% 31

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

Latest airport & airline headlines

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Headlines found by Google News; stories open on the publisher's site.