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Flight Reliability

DL 1606 · Delta Air Lines

Atlanta → West Palm Beach (ATL–PBI)

65
Usually Fine
WanderNerd Reliability Score
67%
Arrive within 15 minutes
17 min
Average arrival delay
1.4%
Cancelled
2 min
Median arrival delay

Based on 363 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

DL 1606 departing between 3–6 PM arrived on time 80% of the time, versus 66% between 6–9 PM.

Thursdays have been rough.

DL 1606 arrived on time 79% of the time on Tuesdays and just 47% on Thursdays. That gap is worth planning around.

Lagging the ATL–PBI route.

DL 1606 arrived on time 67% of the time, versus 74% across the ATL–PBI route.

Lagging the Delta Air Lines network.

DL 1606 arrived on time 67% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon67%(49 flights)
  • Tue79%(52 flights)
  • Wed67%(52 flights)
  • Thu47%(51 flights)
  • Fri75%(51 flights)
  • Sat70%(50 flights)
  • Sun60%(53 flights)
On-time by departure window
  • 3–6 PM80%(25 flights)
  • 6–9 PM66%(333 flights)
On-time trend by month
61%
May

Jun 31% → May 61% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202531%29
July 202550%30
August 202568%31
September 202571%28
October 202574%31
November 202579%29
December 202558%31
January 202677%30
February 202679%28
March 202670%30
April 202680%30
May 202661%31
Departures on time
65%
Diverted
0%
Flights flown
358
Months covered
12

Same route, other flights

Keep nerding

Based on 363 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.