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Flight WN277

Southwest Airlines flight WN277

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  • 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

Austin (AUS) to Dallas (DAL)

Historically, this flight arrives 15+ minutes late 42% of the time, and when it is late the delay averages 67 minutes. It was cancelled 0.0% of the time.

On-time arrivals
57.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
67 min
Flights arriving 15+ minutes late
Flights tracked
52
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 44%
  • Late-arriving aircraft 33%
  • Air traffic control & airport 21%
  • Security 2%
  • Extreme weather 0%

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

Chicago (MDW) to Columbus (CMH)

Historically, this flight arrives 15+ minutes late 6% of the time, and when it is late the delay averages 72 minutes. It was cancelled 0.0% of the time.

On-time arrivals
94.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
72 min
Flights arriving 15+ minutes late
Flights tracked
51
Scheduled flights in the period

What caused the delays

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

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

Baltimore (BWI) to Albany (ALB)

Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 55 minutes. It was cancelled 4.3% of the time.

On-time arrivals
95.5%
Less than 15 minutes late
Cancelled
4.3%
Of scheduled flights
Average delay when late
55 min
Flights arriving 15+ minutes late
Flights tracked
46
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 55%
  • Late-arriving aircraft 42%
  • Airline (crew, maintenance, cleaning) 2%
  • Extreme weather 0%
  • Security 0%

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

San Diego (SAN) to Baltimore (BWI)

Historically, this flight arrives 15+ minutes late 53% of the time, and when it is late the delay averages 53 minutes. It was cancelled 3.0% of the time.

On-time arrivals
46.9%
Less than 15 minutes late
Cancelled
3.0%
Of scheduled flights
Average delay when late
53 min
Flights arriving 15+ minutes late
Flights tracked
33
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 40%
  • Airline (crew, maintenance, cleaning) 31%
  • Air traffic control & airport 29%
  • Extreme weather 0%
  • Security 0%

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

Columbus (CMH) to Miami (MIA)

Historically, this flight arrives 15+ minutes late 6% of the time, and when it is late the delay averages 37 minutes. It was cancelled 0.0% of the time.

On-time arrivals
93.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
37 min
Flights arriving 15+ minutes late
Flights tracked
32
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 47%
  • Airline (crew, maintenance, cleaning) 37%
  • Air traffic control & airport 16%
  • Extreme weather 0%
  • Security 0%

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

Orlando (MCO) to Houston (HOU)

Historically, this flight arrives 15+ minutes late 6% of the time, and when it is late the delay averages 34 minutes. It was cancelled 0.0% of the time.

On-time arrivals
93.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
34 min
Flights arriving 15+ minutes late
Flights tracked
32
Scheduled flights in the period

What caused the delays

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

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

Baltimore (BWI) to Boston (BOS)

Historically, this flight arrives 15+ minutes late 3% of the time, and when it is late the delay averages 50 minutes. It was cancelled 0.0% of the time.

On-time arrivals
96.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
50 min
Flights arriving 15+ minutes late
Flights tracked
31
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 55%
  • Air traffic control & airport 45%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Savannah (SAV) to Nashville (BNA)

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
30
Scheduled flights in the period

Dallas (DAL) to Nashville (BNA)

Historically, this flight arrives 15+ minutes late 59% of the time, and when it is late the delay averages 78 minutes. It was cancelled 0.0% of the time.

On-time arrivals
40.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
78 min
Flights arriving 15+ minutes late
Flights tracked
27
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 53%
  • Airline (crew, maintenance, cleaning) 27%
  • Air traffic control & airport 14%
  • Extreme weather 5%
  • Security 0%

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

Austin (AUS) to Denver (DEN)

Only 17 flights on record, which is too few for reliable odds.

On-time arrivals
82.4%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
34 min
Flights arriving 15+ minutes late
Flights tracked
17
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 80%
  • Late-arriving aircraft 20%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Nashville (BNA) to Baltimore (BWI)

Only 17 flights on record, which is too few for reliable odds.

On-time arrivals
94.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
66 min
Flights arriving 15+ minutes late
Flights tracked
17
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).

Dallas (DAL) to Pensacola (PNS)

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

On-time arrivals
50.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
38 min
Flights arriving 15+ minutes late
Flights tracked
16
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 48%
  • Air traffic control & airport 26%
  • Airline (crew, maintenance, cleaning) 26%
  • Extreme weather 0%
  • Security 0%

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

Oklahoma City (OKC) to Las Vegas (LAS)

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

On-time arrivals
56.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
34 min
Flights arriving 15+ minutes late
Flights tracked
16
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 62%
  • Air traffic control & airport 29%
  • Airline (crew, maintenance, cleaning) 8%
  • Extreme weather 0%
  • Security 0%

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

Salt Lake City (SLC) to Denver (DEN)

Only 14 flights on record, which is too few for reliable odds.

On-time arrivals
78.6%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
73 min
Flights arriving 15+ minutes late
Flights tracked
14
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 81%
  • Late-arriving aircraft 11%
  • Airline (crew, maintenance, cleaning) 7%
  • Extreme weather 0%
  • Security 0%

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

Denver (DEN) to Birmingham (BHM)

Only 12 flights 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
153 min
Flights arriving 15+ minutes late
Flights tracked
12
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 71%
  • Extreme weather 18%
  • Air traffic control & airport 6%
  • Airline (crew, maintenance, cleaning) 5%
  • Security 0%

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

Nashville (BNA) to Fort Lauderdale (FLL)

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

On-time arrivals
90.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
52 min
Flights arriving 15+ minutes late
Flights tracked
11
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 59%
  • Late-arriving aircraft 41%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Dallas (DAL) to Atlanta (ATL)

Only 9 flights on record, which is too few for reliable odds.

On-time arrivals
11.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
61 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) 17%
  • Extreme weather 8%
  • Air traffic control & airport 3%
  • Security 0%

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

Washington (DCA) to Chicago (MDW)

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
74 min
Flights arriving 15+ minutes late
Flights tracked
8
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 67%
  • Airline (crew, maintenance, cleaning) 33%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Las Vegas (LAS) to Nashville (BNA)

Only 7 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
7
Scheduled flights in the period

Albuquerque (ABQ) to Dallas (DAL)

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

What caused the delays

  • Late-arriving aircraft 72%
  • Air traffic control & airport 28%
  • Airline (crew, maintenance, cleaning) 0%
  • Extreme weather 0%
  • Security 0%

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

Boston (BOS) to Dallas (DAL)

Only 4 flights on record, which is too few for reliable odds.

On-time arrivals
75.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
37 min
Flights arriving 15+ minutes late
Flights tracked
4
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 62%
  • Air traffic control & airport 38%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Dallas (DAL) to San Antonio (SAT)

Only 4 flights on record, which is too few for reliable odds.

On-time arrivals
75.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
51 min
Flights arriving 15+ minutes late
Flights tracked
4
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 75%
  • Air traffic control & airport 25%
  • Airline (crew, maintenance, cleaning) 0%
  • Extreme weather 0%
  • Security 0%

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

Albany (ALB) to Las Vegas (LAS)

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

Baltimore (BWI) to Providence/Warwick (PVD)

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
433 min
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

What caused the delays

  • Extreme weather 87%
  • Late-arriving aircraft 10%
  • Air traffic control & airport 3%
  • Airline (crew, maintenance, cleaning) 0%
  • Security 0%

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

Las Vegas (LAS) to San Antonio (SAT)

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

Phoenix (PHX) to Long Beach (LGB)

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

Sarasota/Bradenton (SRQ) to Baltimore (BWI)

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
33 min
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 70%
  • Late-arriving aircraft 30%
  • Airline (crew, maintenance, cleaning) 0%
  • Extreme weather 0%
  • Security 0%

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

In the news

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

On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 92.1% 38
October 2025 83.3% 18
November 2025 98.1% 55
December 2025 92.1% 39
January 2026 96.9% 32
February 2026 87.9% 34
March 2026 54.8% 32
April 2026 87.5% 40
May 2026 91.1% 45
June 2026 57.4% 54
July 2026 42.4% 59
August 2026 42.4% 33

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.