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Flight Reliability

DL 1152 · Delta Air Lines

Philadelphia → Atlanta (PHL–ATL)

88
Pretty Reliable
WanderNerd Reliability Score
89%
Arrive within 15 minutes
6 min early
Average arrival delay
1.7%
Cancelled
11 min early
Median arrival delay

Based on 363 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

DL 1152 arrived on time 98% of the time on Wednesdays. On Sundays: 85%.

Better than the PHL–ATL route average.

DL 1152 arrived on time 89% of the time, versus 78% across the PHL–ATL route.

Better than the Delta Air Lines network average.

DL 1152 arrived on time 89% of the time, versus 81% across the Delta Air Lines network.

Trending in the right direction.

DL 1152 arrived on time 95% of the time over the last three months in the data, compared with 79% in the three months before that.

The breakdown

On-time by weekday
  • Mon86%(50 flights)
  • Tue90%(49 flights)
  • Wed98%(52 flights)
  • Thu92%(51 flights)
  • Fri88%(51 flights)
  • Sat86%(49 flights)
  • Sun85%(53 flights)
On-time trend by month
90%
May

Jun 83% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%29
July 202587%31
August 2025100%30
September 202597%30
October 202594%31
November 202592%26
December 202565%31
January 202677%31
February 202696%27
March 202697%29
April 202697%29
May 202690%31
Departures on time
93%
Diverted
0.6%
Flights flown
355
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.