What is the TSA wait at MDT right now?
No live security wait, and no historical wait, for Harrisburg International Airport (MDT). We will not estimate one.
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Harrisburg International Airport TSA wait times
MDT · KMDT · Harrisburg, Pennsylvania
Security wait
No live security wait, and no historical wait, for Harrisburg International Airport (MDT). We will not estimate one.
PreCheck
PreCheck lanes are not in our historical feed for this airport.
CLEAR
CLEAR is not shown. We are not using a CLEAR source.
Departure delays
Historical on-time performance. Not a live delay.
78%
On-time departures, September 2025 through August 2026. A departure is on time when it left less than 15 minutes late.
Flights out of Harrisburg International Airport left on time 78% of the time from September 2025 through August 2026. The largest share of delay minutes was the airline (37%). That is a share of delay minutes, not a share of flights. The average delay among departures that were 15 minutes or more late was 101 minutes. 2% of scheduled flights were cancelled.
The highest on-time month was September 2025 (84%). The lowest was December 2025 (69%).
| Cause | Delay minutes | Share of delay minutes |
|---|---|---|
| the airline | 49,579 | 37% |
| late-arriving aircraft | 45,320 | 34% |
| the national airspace system | 27,178 | 20% |
| weather | 10,900 | 8% |
| security | 32 | 0% |
When to be at the airport
TSA's published guidance is to arrive at the airport 2 hours before a domestic departure and 3 hours before an international departure. That is guidance, not a measured security wait.
Nearby airports
- Lancaster Airport LNS · Lancaster25 mi
- Hagerstown Regional Richard A Henson Field HGR · Hagerstown61 mi
- Baltimore/Washington International Thurgood Marshall Airport BWI · Baltimore70 mi
- Wilmington Airport ILG · Wilmington71 mi
- State College Regional Airport SCE · State College73 mi
Distances are straight-line miles.
Airport details
- Runways
- 1
- Longest runway
- 13/31, 10,001 ft
- Longest runway width
- 200 ft
- Longest runway surface
- ASPH
- Longest runway lighting
- HIGH
- Elevation
- 310 ft
- CY2024 enplanements
- 727,163
- Facility use
- Public
- Ownership
- Public
- Part 139 certificate code
- I B
- Fuel
- 100LL,A
- Airframe repair
- MAJOR
- Powerplant repair
- MAJOR
- Last inspection
- 2026/04/15
FAA facility record date 2026/10/01. Runways: BTS NTAD Runways. Facility facts: BTS NTAD Aviation Facilities. Enplanements: FAA CY2024 commercial service.
Questions
Does TSACheck have a live security wait for MDT?
No. TSACheck has no live feed and no historical wait for Harrisburg International Airport (MDT).
How often do flights leave MDT on time?
Flights out of Harrisburg International Airport left on time 78% of the time from September 2025 through August 2026. The largest share of delay minutes was the airline (37%). That is a share of delay minutes, not a share of flights. The average delay among departures that were 15 minutes or more late was 101 minutes. 2% of scheduled flights were cancelled.
How early should I get to MDT?
TSA's published guidance is to arrive at the airport 2 hours before a domestic departure and 3 hours before an international departure. That is guidance, not a measured security wait.
Which airports are near MDT?
The nearest airports in this list are Lancaster Airport (LNS), 25 straight-line miles; Hagerstown Regional Richard A Henson Field (HGR), 61 straight-line miles; Baltimore/Washington International Thurgood Marshall Airport (BWI), 70 straight-line miles; Wilmington Airport (ILG), 71 straight-line miles; State College Regional Airport (SCE), 73 straight-line miles.