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Route Reliability

MDT → Atlanta

MDT–ATL · 620 miles · MDT Airport to Hartsfield–Jackson Atlanta International Airport

81
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
0 min
Average arrival delay
2.5%
Cancelled
1,033
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 85% of the time across 1,033 flights. No comparison to make.

What the data says

Morning-you made the right choice.

MDT–ATL flights departing between 6–9 AM arrived on time 90% of the time, versus 80% between 6–9 PM.

Skip Tuesday if you can.

MDT–ATL flights arrived on time 90% of the time on Wednesdays. On Tuesdays: 80%.

Ticking up lately.

MDT–ATL flights arrived on time 87% of the time over the last three months in the data, compared with 81% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon81%(150 flights)
  • Tue80%(152 flights)
  • Wed90%(152 flights)
  • Thu89%(150 flights)
  • Fri88%(147 flights)
  • Sat85%(106 flights)
  • Sun81%(145 flights)
On-time by departure window
  • 6–9 AM90%(353 flights)
  • 9 AM–12 PM86%(181 flights)
  • 12–3 PM81%(174 flights)
  • 3–6 PM83%(40 flights)
  • 6–9 PM80%(254 flights)
On-time trend by month
93%
May

Jun 78% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%85
July 202582%91
August 202590%86
September 202594%82
October 202581%88
November 202589%82
December 202575%83
January 202681%80
February 202688%74
March 202681%85
April 202688%84
May 202693%82

Keep nerding

Based on 1,033 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.