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Flight DL1631

Delta Air Lines flight DL1631

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  • Advisory Coastal Flood Statement FLL

    COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING

    Weather

Fort Lauderdale (FLL) to Atlanta (ATL)

Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 45 minutes. It was cancelled 3.1% of the time.

On-time arrivals
84.0%
Less than 15 minutes late
Cancelled
3.1%
Of scheduled flights
Average delay when late
45 min
Flights arriving 15+ minutes late
Flights tracked
129
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 47%
  • Airline (crew, maintenance, cleaning) 33%
  • Air traffic control & airport 20%
  • Extreme weather 0%
  • Security 0%

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

Santa Barbara (SBA) to Salt Lake City (SLC)

Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 69 minutes. It was cancelled 1.0% of the time.

On-time arrivals
90.6%
Less than 15 minutes late
Cancelled
1.0%
Of scheduled flights
Average delay when late
69 min
Flights arriving 15+ minutes late
Flights tracked
97
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 96%
  • Air traffic control & airport 3%
  • Airline (crew, maintenance, cleaning) 1%
  • Extreme weather 0%
  • Security 0%

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

Salt Lake City (SLC) to Santa Barbara (SBA)

Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 63 minutes. It was cancelled 1.0% of the time.

On-time arrivals
85.4%
Less than 15 minutes late
Cancelled
1.0%
Of scheduled flights
Average delay when late
63 min
Flights arriving 15+ minutes late
Flights tracked
97
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 56%
  • Late-arriving aircraft 42%
  • Air traffic control & airport 2%
  • Extreme weather 0%
  • Security 0%

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

Atlanta (ATL) to Miami (MIA)

Historically, this flight arrives 15+ minutes late 51% of the time, and when it is late the delay averages 85 minutes. It was cancelled 3.5% of the time.

On-time arrivals
49.1%
Less than 15 minutes late
Cancelled
3.5%
Of scheduled flights
Average delay when late
85 min
Flights arriving 15+ minutes late
Flights tracked
57
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 52%
  • Air traffic control & airport 22%
  • Late-arriving aircraft 17%
  • Extreme weather 9%
  • Security 0%

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

Atlanta (ATL) to Savannah (SAV)

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

On-time arrivals
86.7%
Less than 15 minutes late
Cancelled
6.2%
Of scheduled flights
Average delay when late
27 min
Flights arriving 15+ minutes late
Flights tracked
16
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).

Savannah (SAV) to Atlanta (ATL)

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

On-time arrivals
93.3%
Less than 15 minutes late
Cancelled
6.2%
Of scheduled flights
Average delay when late
143 min
Flights arriving 15+ minutes late
Flights tracked
16
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).

Little Rock (LIT) to Atlanta (ATL)

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

On-time arrivals
90.0%
Less than 15 minutes late
Cancelled
9.1%
Of scheduled flights
Average delay when late
49 min
Flights arriving 15+ minutes late
Flights tracked
11
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).

New York (LGA) to Boston (BOS)

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

In the news

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 82.0% 50
October 2025 83.3% 60
November 2025 97.9% 50
December 2025 89.3% 58
January 2026 76.5% 35
February 2026 94.7% 19
March 2026 84.6% 27
April 2026 86.7% 30
May 2026 85.7% 31
June 2026 76.7% 30
July 2026 34.5% 31
August 2026 66.7% 6

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.