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Airport Reliability

MDT · Harrisburg

Harrisburg, PA (MDT)

81%
Departures within 15 minutes
14 min
Average departure delay
77%
Arrivals within 15 minutes
1.7%
Departures cancelled

Based on 11,443 departures and 11,444 arrivals. Data through May 2026.

What the data says

Morning-you made the right choice.

Departures from MDT departing between 3–6 AM arrived on time 89% of the time, versus 46% between 9 PM–12 AM.

Sunday scaries are real for this one.

Departures from MDT arrived on time 85% of the time on Wednesdays. On Sundays: 78%.

Ticking up lately.

Departures from MDT arrived on time 82% of the time over the last three months in the data, compared with 76% in the three months before that.

When MDT gets messy

On-time by departure window
  • 3–6 AM89%(392 flights)
  • 6–9 AM87%(3643 flights)
  • 9 AM–12 PM84%(2319 flights)
  • 12–3 PM81%(1576 flights)
  • 3–6 PM69%(1804 flights)
  • 6–9 PM73%(1389 flights)
  • 9 PM–12 AM46%(91 flights)
On-time by weekday
  • Mon78%(1669 flights)
  • Tue82%(1453 flights)
  • Wed85%(1517 flights)
  • Thu80%(1722 flights)
  • Fri80%(1688 flights)
  • Sat82%(1436 flights)
  • Sun78%(1729 flights)
On-time trend by month
85%
May

Jun 77% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%1010
July 202577%983
August 202582%973
September 202588%879
October 202584%988
November 202584%908
December 202569%910
January 202678%779
February 202682%800
March 202678%954
April 202683%1007
May 202685%1023

Airlines departing MDT

Busiest routes from MDT

Based on 11,443 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.