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Flight WN1843

Southwest Airlines flight WN1843

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Looking for WN1843 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 Advisory CLD, SAN, SNA

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

    Weather

  • Advisory Coastal Flood Advisory OAK, SFO, SQL, STS

    COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY

    Weather

Denver (DEN) to Oakland (OAK)

Historically, this flight arrives 15+ minutes late 70% of the time, and when it is late the delay averages 65 minutes. It was cancelled 0.0% of the time.

On-time arrivals
30.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
65 min
Flights arriving 15+ minutes late
Flights tracked
60
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 51%
  • Late-arriving aircraft 40%
  • Air traffic control & airport 8%
  • Security 1%
  • Extreme weather 0%

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

Charleston (CHS) to Baltimore (BWI)

Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 47 minutes. It was cancelled 1.7% of the time.

On-time arrivals
82.8%
Less than 15 minutes late
Cancelled
1.7%
Of scheduled flights
Average delay when late
47 min
Flights arriving 15+ minutes late
Flights tracked
59
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 84%
  • Air traffic control & airport 13%
  • Airline (crew, maintenance, cleaning) 3%
  • Extreme weather 0%
  • Security 0%

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

San Diego (SAN) to Albuquerque (ABQ)

Historically, this flight arrives 15+ minutes late 7% of the time, and when it is late the delay averages 64 minutes. It was cancelled 0.0% of the time.

On-time arrivals
93.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
64 min
Flights arriving 15+ minutes late
Flights tracked
58
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 87%
  • Airline (crew, maintenance, cleaning) 5%
  • Air traffic control & airport 5%
  • Security 2%
  • Extreme weather 0%

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

Chicago (MDW) to Kansas City (MCI)

Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 62 minutes. It was cancelled 1.8% of the time.

On-time arrivals
90.7%
Less than 15 minutes late
Cancelled
1.8%
Of scheduled flights
Average delay when late
62 min
Flights arriving 15+ minutes late
Flights tracked
55
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 59%
  • Late-arriving aircraft 34%
  • Air traffic control & airport 7%
  • Extreme weather 0%
  • Security 0%

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

Honolulu, Oahu (HNL) to Hilo (ITO)

Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 92 minutes. It was cancelled 3.6% of the time.

On-time arrivals
85.2%
Less than 15 minutes late
Cancelled
3.6%
Of scheduled flights
Average delay when late
92 min
Flights arriving 15+ minutes late
Flights tracked
28
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 50%
  • Airline (crew, maintenance, cleaning) 43%
  • Air traffic control & airport 7%
  • Extreme weather 0%
  • Security 0%

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

Baltimore (BWI) to Sacramento (SMF)

Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 39 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
39 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 60%
  • Airline (crew, maintenance, cleaning) 32%
  • Late-arriving aircraft 8%
  • Extreme weather 0%
  • Security 0%

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

San Diego (SAN) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 4% of the time, and when it is late the delay averages 48 minutes. It was cancelled 0.0% of the time.

On-time arrivals
95.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
48 min
Flights arriving 15+ minutes late
Flights tracked
23
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).

Denver (DEN) to Indianapolis (IND)

Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 65 minutes. It was cancelled 0.0% of the time.

On-time arrivals
71.4%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
65 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 81%
  • Late-arriving aircraft 13%
  • Air traffic control & airport 5%
  • Extreme weather 0%
  • Security 0%

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

Columbus (CMH) to Tampa (TPA)

Only 17 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
17
Scheduled flights in the period

Oakland (OAK) to Seattle (SEA)

Only 16 flights on record, which is too few for reliable odds.

On-time arrivals
31.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
87 min
Flights arriving 15+ minutes late
Flights tracked
16
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 88%
  • Airline (crew, maintenance, cleaning) 11%
  • Air traffic control & airport 1%
  • Extreme weather 0%
  • Security 0%

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

Baltimore (BWI) to Miami (MIA)

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
55 min
Flights arriving 15+ minutes late
Flights tracked
13
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 71%
  • Air traffic control & airport 26%
  • Late-arriving aircraft 2%
  • Extreme weather 0%
  • Security 0%

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

Miami (MIA) to Houston (HOU)

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

On-time arrivals
69.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
46 min
Flights arriving 15+ minutes late
Flights tracked
13
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 60%
  • Airline (crew, maintenance, cleaning) 24%
  • Air traffic control & airport 16%
  • Extreme weather 0%
  • Security 0%

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

San Francisco (SFO) to San Diego (SAN)

Only 13 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
13
Scheduled flights in the period

Kansas City (MCI) to Dallas (DAL)

Only 11 flights on record, which is too few for reliable odds.

On-time arrivals
90.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
64 min
Flights arriving 15+ minutes late
Flights tracked
11
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).

Oakland (OAK) to Burbank (BUR)

Only 9 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
9
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 73%
  • Airline (crew, maintenance, cleaning) 27%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Memphis (MEM) 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

Panama City Beach (ECP) to St Louis (STL)

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
28 min
Flights arriving 15+ minutes late
Flights tracked
5
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 95%
  • Airline (crew, maintenance, cleaning) 5%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Houston (HOU) to Charleston (CHS)

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
23 min
Flights arriving 15+ minutes late
Flights tracked
5
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 46%
  • Air traffic control & airport 43%
  • Late-arriving aircraft 11%
  • Extreme weather 0%
  • Security 0%

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

Orlando (MCO) to Louisville (SDF)

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

On-time arrivals
0.0%
Less than 15 minutes late
Cancelled
20.0%
Of scheduled flights
Average delay when late
49 min
Flights arriving 15+ minutes late
Flights tracked
5
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 45%
  • Late-arriving aircraft 36%
  • Airline (crew, maintenance, cleaning) 18%
  • Extreme weather 0%
  • Security 0%

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

Nashville (BNA) to Jacksonville (JAX)

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 87.5% 56
October 2025 86.0% 43
November 2025 92.1% 38
December 2025 72.7% 45
January 2026 78.1% 33
February 2026 94.3% 35
March 2026 78.9% 20
April 2026 92.6% 27
May 2026 87.1% 31
June 2026 39.0% 41
July 2026 32.6% 43
August 2026 80.6% 32

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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