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Flight Reliability

DL 320 · Delta Air Lines

Los Angeles → Atlanta (LAX–ATL)97% of its flights flew this route. The rest (XNA–ATL, ATL–RSW) are included in these numbers.

69
Usually Fine
WanderNerd Reliability Score
71%
Arrive within 15 minutes
12 min
Average arrival delay
2.3%
Cancelled
2 min
Median arrival delay

Based on 217 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

DL 320 arrived on time 84% of the time on Wednesdays and just 62% on Fridays. That gap is worth planning around.

A bit behind the LAX–ATL route.

DL 320 arrived on time 71% of the time, versus 77% across the LAX–ATL route.

Lagging the Delta Air Lines network.

DL 320 arrived on time 71% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon74%(39 flights)
  • Tue67%(21 flights)
  • Wed84%(19 flights)
  • Thu74%(35 flights)
  • Fri62%(34 flights)
  • Sat65%(23 flights)
  • Sun73%(41 flights)
On-time by departure window
  • 6–9 AM—(3 flights)
  • 6–9 PM—(1 flights)
  • 9 PM–12 AM71%(208 flights)
On-time trend by month
87%
Apr

Jun 50% → Apr 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%20
July 202573%15
August 202560%15
September 202579%24
October 202567%18
December 202571%24
January 202681%16
February 202664%11
March 202663%24
April 202687%30
Departures on time
74%
Diverted
0%
Flights flown
212
Months covered
12

Same route, other flights

Keep nerding

Based on 217 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.