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Route

SNA → ATL

John Wayne Orange County International Airport Hartsfield Jackson Atlanta International Airport

  • Advisory Airport Closure SNA

    Airport Closure at John Wayne Orange County International Airport (SNA): Reopens Nov 08 at 14:15 UTC.

    Airport status

  • Advisory Coastal Flood Advisory CLD, SAN, SNA

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

    Weather

How punctual is this route?

On-time arrivals
79.9%
Less than 15 minutes late
Cancelled
1.0%
Of scheduled flights
Average delay when late
103 min
Flights arriving 15+ minutes late
Flights tracked
1,020
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 60%
  • Late-arriving aircraft 25%
  • Air traffic control & airport 14%
  • Extreme weather 1%
  • Security 0%

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

On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 86.3% 103
October 2025 85.1% 87
November 2025 84.4% 78
December 2025 71.8% 80
January 2026 76.3% 79
February 2026 81.4% 70
March 2026 72.7% 80
April 2026 88.3% 77
May 2026 77.8% 90
June 2026 85.1% 90
July 2026 72.2% 93
August 2026 76.9% 93

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

Airlines on this route

AirlineFlightsOn timeCancelledAvg. delay when late
Delta Air Lines 1,020 79.9% 1.0% 103 min

Delay odds by flight

How often each flight number arrived 15 or more minutes late over the last year.

  • DL721

    20% late · 365 flights

  • DL329

    23% late · 239 flights

  • DL1521

    17% late · 118 flights

  • DL543

    7% late · 77 flights

  • DL1430

    29% late · 58 flights

  • DL826

    12% late · 34 flights

  • DL1020

    29% late · 31 flights

  • DL2012

    23% late · 31 flights

  • DL2240

    23% late · 30 flights

  • DL327

    14% late · 21 flights

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