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Flight WN1940

Southwest Airlines flight WN1940

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Looking for WN1940 in the air…

Alerts at this flight's airports

  • 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

    Read the story →

  • 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

Honolulu, Oahu (HNL) to San Jose (SJC)

Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 44 minutes. It was cancelled 0.0% of the time.

On-time arrivals
91.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
44 min
Flights arriving 15+ minutes late
Flights tracked
61
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 60%
  • Air traffic control & airport 40%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Greenville/Greer/Spartanburg (GSP) to Nashville (BNA)

Historically, this flight arrives 15+ minutes late 12% of the time, and when it is late the delay averages 46 minutes. It was cancelled 0.0% of the time.

On-time arrivals
87.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
46 min
Flights arriving 15+ minutes late
Flights tracked
49
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 44%
  • Late-arriving aircraft 33%
  • Airline (crew, maintenance, cleaning) 23%
  • Extreme weather 0%
  • Security 0%

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

Baltimore (BWI) to Tampa (TPA)

Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 50 minutes. It was cancelled 0.0% of the time.

On-time arrivals
73.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
50 min
Flights arriving 15+ minutes late
Flights tracked
46
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 39%
  • Late-arriving aircraft 37%
  • Air traffic control & airport 24%
  • Extreme weather 0%
  • Security 0%

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

Chicago (MDW) to Columbus (CMH)

Historically, this flight arrives 15+ minutes late 12% of the time, and when it is late the delay averages 103 minutes. It was cancelled 0.0% of the time.

On-time arrivals
87.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
103 min
Flights arriving 15+ minutes late
Flights tracked
33
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 72%
  • Airline (crew, maintenance, cleaning) 16%
  • Air traffic control & airport 12%
  • Extreme weather 0%
  • Security 0%

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

Nashville (BNA) to Houston (HOU)

Historically, this flight arrives 15+ minutes late 28% of the time, and when it is late the delay averages 63 minutes. It was cancelled 0.0% of the time.

On-time arrivals
71.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
63 min
Flights arriving 15+ minutes late
Flights tracked
32
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 60%
  • Air traffic control & airport 25%
  • Late-arriving aircraft 15%
  • Extreme weather 0%
  • Security 0%

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

Houston (HOU) to Las Vegas (LAS)

Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 89 minutes. It was cancelled 0.0% of the time.

On-time arrivals
75.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
89 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 79%
  • Airline (crew, maintenance, cleaning) 14%
  • Air traffic control & airport 7%
  • Extreme weather 0%
  • Security 0%

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

Jacksonville (JAX) to Baltimore (BWI)

Historically, this flight arrives 15+ minutes late 0% of the time. It was cancelled 0.0% of the time.

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
23
Scheduled flights in the period

Las Vegas (LAS) to Reno (RNO)

Historically, this flight arrives 15+ minutes late 0% of the time. It was cancelled 0.0% of the time.

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
21
Scheduled flights in the period

Fort Lauderdale (FLL) to St Louis (STL)

Only 19 flights on record, which is too few for reliable odds.

On-time arrivals
42.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
35 min
Flights arriving 15+ minutes late
Flights tracked
19
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 51%
  • Airline (crew, maintenance, cleaning) 32%
  • Air traffic control & airport 13%
  • Security 4%
  • Extreme weather 0%

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

Las Vegas (LAS) to Indianapolis (IND)

Only 18 flights on record, which is too few for reliable odds.

On-time arrivals
88.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
119 min
Flights arriving 15+ minutes late
Flights tracked
18
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 76%
  • Late-arriving aircraft 23%
  • Air traffic control & airport 1%
  • Extreme weather 0%
  • Security 0%

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

Austin (AUS) to Sacramento (SMF)

Only 15 flights on record, which is too few for reliable odds.

On-time arrivals
86.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
194 min
Flights arriving 15+ minutes late
Flights tracked
15
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 91%
  • Airline (crew, maintenance, cleaning) 9%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Columbus (CMH) to Austin (AUS)

Only 15 flights on record, which is too few for reliable odds.

On-time arrivals
80.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
123 min
Flights arriving 15+ minutes late
Flights tracked
15
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 90%
  • Airline (crew, maintenance, cleaning) 5%
  • Air traffic control & airport 5%
  • Extreme weather 0%
  • Security 0%

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

Sacramento (SMF) to Las Vegas (LAS)

Only 15 flights on record, which is too few for reliable odds.

On-time arrivals
73.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
96 min
Flights arriving 15+ minutes late
Flights tracked
15
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 94%
  • Airline (crew, maintenance, cleaning) 6%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Baltimore (BWI) to Seattle (SEA)

Only 13 flights on record, which is too few for reliable odds.

On-time arrivals
84.6%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
31 min
Flights arriving 15+ minutes late
Flights tracked
13
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 43%
  • Air traffic control & airport 43%
  • Late-arriving aircraft 14%
  • Extreme weather 0%
  • Security 0%

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

Houston (HOU) to San Diego (SAN)

Only 11 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
11
Scheduled flights in the period

Columbus (CMH) to Dallas (DAL)

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

Salt Lake City (SLC) to Las Vegas (LAS)

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

Columbus (CMH) to Sarasota/Bradenton (SRQ)

Only 5 flights on record, which is too few for reliable odds.

On-time arrivals
60.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
56 min
Flights arriving 15+ minutes late
Flights tracked
5
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).

Baltimore (BWI) to Raleigh/Durham (RDU)

Only 4 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
4
Scheduled flights in the period

Las Vegas (LAS) to Phoenix (PHX)

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

St Louis (STL) to Houston (HOU)

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
On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 94.3% 35
October 2025 100.0% 34
November 2025 79.3% 29
December 2025 77.4% 31
January 2026 64.3% 14
February 2026 63.2% 19
March 2026 81.6% 76
April 2026 94.1% 51
May 2026 75.0% 44
June 2026 83.9% 31
July 2026 93.5% 31
August 2026 77.8% 27

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

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