Airport · MDT · Harrisburg, Pennsylvania

Harrisburg, PA

Harrisburg, PA posts below-median on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 60,271 flights (2020–2025); its biggest delay driver is carrier.

Compiled by PlainFlights Editorial, Flight Performance Editorial Team

Data updated 2026-06-13

82.8%
On-time: Top 57%
on-time, US airports: 83 min
Delay when late: 1.30%
Cancelled

Key Performance Metrics

Total Flights

60,271

Best Month

Nov 93.9%

Worst Month

Jul 89.7%

Delayed

10,338

Cancelled

785

60-65%

1
65-70%

4
70-75%

9
75-80%

48
80-85%

192
85-90%

116
90-95%

12

What this shows MDT is marked in the 80-85% band.

Delay Cause Breakdown

Top delay cause: Carrier. Total delay minutes: 438,127.

Late Aircraft 35.3% (154,575 min)

Carrier 40.8% (178,837 min)

NAS (National Aviation System) 16.3% (71,291 min)

Weather 7.5% (32,981 min)

Security 0.1% (443 min)

Seasonal Performance Patterns

Monthly averages across all years of data. Best month: November (93.9% on-time). Most delays: July (89.7% on-time).

Month	Avg Flights	Avg Delayed	Avg Cancelled	On-Time %
December	836	170	7	89.9%
November	854	118	3	93.9%
October	898	118	3	93.9%
September	807	106	4	93.8%
August	849	163	7	91.4%
July	939	217	10	89.7%
June	841	187	10	89.8%
May	812	140	10	92.3%
April	866	121	36	93.6%
March	876	137	22	92.6%
February	736	117	12	92.5%
January	731	131	9	91.7%

Year-Over-Year Performance

Annual flight volume and on-time trends at MDT.

Year	Flights	Delayed	Cancelled	On-Time %
2025	10,138	1,005	66	90.1%
2024	10,737	982	62	90.9%
2023	11,133	859	73	92.3%
2022	10,215	963	126	90.6%
2021	10,051	661	90	93.4%
2020	7,997	312	368	96.1%

Cancellation & Diversion Analysis

Flight disruption statistics for Harrisburg, PA.

Cancellation Rate

1.30%

785 of 60,271 flights

Diversion Rate

0.11%

68 of 60,271 flights

Delay Rate

17.2%

10,338 of 60,271 flights

Monthly Performance

Recent 24 months of flight data.

Period	Flights	Dep Delayed	Arr Delayed	Cancelled	Diverted
Dec 2025	885	138	140	10	1
Nov 2025	945	77	96	11	0
Oct 2025	952	86	93	0	0
Sep 2025	714	58	65	0	1
Aug 2025	820	79	90	10	2
Jul 2025	846	102	146	8	0
Jun 2025	905	118	158	6	3
May 2025	957	74	105	4	0
Apr 2025	968	69	93	3	2
Mar 2025	844	68	113	2	0
Feb 2025	691	74	87	4	0
Jan 2025	611	62	73	8	0
Dec 2024	828	101	108	3	0
Nov 2024	916	70	84	0	0
Oct 2024	976	56	70	8	0
Sep 2024	856	78	77	4	0
Aug 2024	934	111	139	4	2
Jul 2024	1,008	138	167	15	1
Jun 2024	1,007	108	134	5	1
May 2024	965	102	142	6	2
Apr 2024	1,016	57	78	2	4
Mar 2024	788	55	59	1	0
Feb 2024	717	44	40	3	0
Jan 2024	726	62	78	11	1

Top Routes from MDT

Busiest routes to and from Harrisburg, PA.

Route	Flights	On-Time	Distance
CLT (Charlotte) → MDT (Harrisburg)	6,463	81.4%	413 mi
MDT (Harrisburg) → CLT (Charlotte)	6,456	85.9%	413 mi
ORD (Chicago) → MDT (Harrisburg)	5,647	80%	594 mi
MDT (Harrisburg) → ORD (Chicago)	5,639	82.8%	594 mi
ATL (Atlanta) → MDT (Harrisburg)	5,417	89.2%	620 mi
MDT (Harrisburg) → ATL (Atlanta)	5,387	88%	620 mi
DTW (Detroit) → MDT (Harrisburg)	3,649	85.7%	371 mi
MDT (Harrisburg) → DTW (Detroit)	3,648	87.8%	371 mi
DFW (Dallas/Fort Worth) → MDT (Harrisburg)	1,751	64.1%	1,231 mi
MDT (Harrisburg) → DFW (Dallas/Fort Worth)	1,720	85.3%	1,231 mi
MDT (Harrisburg) → EWR (Newark)	631	85.6%	141 mi
EWR (Newark) → MDT (Harrisburg)	630	85.1%	141 mi

Airports With a Similar On-Time Rate

Other U.S. airports nationwide whose on-time rate is closest to Harrisburg, PA's 82.8%.

Los Angeles, CA

82.8% on-time 2,137,032 flights

Columbus, OH

82.8% on-time 450,603 flights

Louisville, KY

82.8% on-time 252,784 flights

Springfield, IL

82.8% on-time 8,116 flights

Sacramento, CA

82.7% on-time 592,833 flights

Indianapolis, IN

82.7% on-time 495,575 flights

Other Airports in Pennsylvania

Compare performance with other Pennsylvania airports.

PHL 81.3%

Philadelphia, PA

Philadelphia · 1,060,086 flights

PIT 83.3%

Pittsburgh, PA

Pittsburgh · 462,554 flights

ABE 83.7%

Allentown/Bethlehem/Easton, PA

Allentown/Bethlehem/Easton · 48,496 flights

AVP 82.7%

Scranton/Wilkes-Barre, PA

Scranton/Wilkes-Barre · 21,551 flights

SCE 83.8%

State College, PA

State College · 9,139 flights

LBE 83.5%

Latrobe, PA

Latrobe · 8,539 flights

JST 82.1%

Johnstown, PA

Johnstown · 7,267 flights

ERI 87.3%

Erie, PA

Erie · 3,197 flights

Keep exploring

More flight data around Harrisburg, PA.

Pennsylvania flight data

Statewide on-time and delay aggregates, plus every reporting airport in Pennsylvania.

View PA data →

Airport rankings

See where MDT sits among U.S. airports on on-time rate and average delay.

Best on-time airports →

Compare airports

Put MDT head-to-head with another airport on delays and reliability.

Open comparison tool →

What the Data Says About MDT

Harrisburg, PA in Harrisburg, Pennsylvania handled 60,271 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 82.8% on-time departure rate. Of those flights, 10,338 experienced delays, 785 were cancelled, and 68 were diverted. The cancellation rate works out to 1.30%, the diversion rate to 0.11%, and the average delay when departures run late is 82.9 minutes. These figures are the baseline for comparing MDT against other airports in the same state and nationally.

Breaking down what drives delays at MDT, Carrier leads the pack. Carrier accounts for 40.8% of total delay minutes, followed by Late Aircraft at 35.3% and NAS (National Aviation System) at 16.3%. Weather contributes 7.5% of delay minutes at this airport, while security holds the smallest share at 0.1%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, November runs the cleanest at MDT with a 93.9% on-time rate, while July is the roughest at 89.7% - a 4-point swing between best and worst month. Volume peaks in July, when average flights hit 939. The busiest route connecting MDT is to CLT (Charlotte), with 6,463 flights at a 81.4% on-time rate. Combine these numbers - 82.8% on-time, 82.9-minute average delay, 1.30% cancellation rate, and you have a concrete picture of departure reliability at Harrisburg, PA.

Frequently Asked Questions

What is the on-time performance rate at Harrisburg, PA (MDT)? ▼

Harrisburg, PA has an overall on-time departure rate of 82.8%. Out of 60,271 total flights tracked, 10,338 experienced delays and 785 were cancelled.

What is the most common cause of delays at MDT? ▼

The top delay cause at Harrisburg, PA is Carrier. Carrier accounts for 40.8% of all delay minutes.

What is the average delay time at MDT? ▼

The average delay at Harrisburg, PA is 82.9 minutes. This includes delays from carrier issues, weather, National Aviation System constraints, security, and late-arriving aircraft.

What is the best month to fly from MDT? ▼

Based on historical data, November has the best on-time performance at MDT with 93.9% of flights departing on time.

What is the worst month for delays at MDT? ▼

July tends to have the most delays at MDT, with an on-time rate of only 89.7%.

How many routes operate from MDT? ▼

Harrisburg, PA serves at least 12 routes. The busiest route is CLT to MDT (Charlotte - Harrisburg) with 6,463 flights.

What is the cancellation rate at MDT? ▼

Harrisburg, PA has a cancellation rate of 1.30%, based on 785 cancelled flights out of 60,271 total flights tracked.

Flight Guides

Data-driven guides to help you understand airport and flight performance.

Best & Worst Airlines for On-Time Performance

Which carriers consistently outperform peers

Why Flights Get Cancelled

Cancellation causes broken down by data

How to Choose Reliable Flight Routes

Use delay data to pick flights that arrive on time

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Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Read our methodology - how this data is sourced, computed, and verified.

Using MDT's data

An airport-level on-time rate is a starting point, not a guarantee for your specific flight.

Check the busiest route from MDT before you book a connection. See top routes
Travel in November rather than July if your dates are flexible. Seasonal patterns
Scores vary by airline and route within the same airport; check the specific carrier you're flying. Browse airlines

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

All airports → | Rankings →

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025 Accessed 2026-07-23

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.