Airports › Pennsylvania
Airport · 12 months to July 2026
Harrisburg International: delays and on-time record
Harrisburg, Pennsylvania
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report. Data through July 2026; this is a monthly history, not live airport status.
Harrisburg International (MDT) in Harrisburg, Pennsylvania had 5,767 scheduled domestic departures by reporting carriers in the 12 months to July 2026, about 16 a day, on 19 routes.
76.4% of those flights left the gate less than 15 minutes late, level with the national departure figure of 76.1%. Flights arriving at MDT were on time 72.7% of the time, 3.3 points below the national arrival figure of 76.0%.
2.4% of scheduled departures were cancelled (national: 1.8%), and the average departure delay, counting early and on-time departures as zero, was 22.3 min.
American Airlines is the largest reporting carrier at MDT with 21% of departures. Among carriers with at least 120 departures, Republic Airline had the highest on-time arrival share for its MDT departures (86.1%) and Allegiant Air the lowest (66.5%).
On-time departures are down 3.5 points on the previous 12 months (79.9%).
Of the delay minutes that carriers assigned to a BTS cause category for flights leaving MDT, air carrier 37%, late-arriving aircraft 34% and national aviation system 20%.
- On time 75.4%
- Arrived 15+ minutes late 21.8%
- Cancelled 2.4%
- Diverted 0.4%
As origin and as destination, against the nation
| Measure | Departures from MDT | Arrivals at MDT | All reported flights | MDT departures, previous 12 months |
|---|---|---|---|---|
| Departed on time (less than 15 min late) | 76.4% | 73.5% | 76.1% | 79.9% |
| Arrived on time | 75.4% | 72.7% | 76.0% | 79.3% |
| Cancelled | 2.4% | 2.5% | 1.8% | 1.0% |
| Diverted | 0.4% | 0.1% | 0.3% | 0.1% |
| Average departure delay (late minutes only) | 22.3 min | 21.3 min | 17.4 min | 19.3 min |
| Arrival delay minutes per 100 flights | 2,232 | 2,108 | 1,684 | 1,945 |
| Scheduled flights | 5,767 | 5,767 | 7,043,858 | 5,166 |
12 months to July 2026. The first column follows flights that left MDT; the second follows flights that landed there. Year on year, on-time departures moved −3.5 pts.
Airlines at MDT
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| AA American Airlines | 1,195 | 21% | 77.7% | 9.3 min | 3.3% |
| DL Delta Air Lines | 1,002 | 17% | 83.1% | -3.1 min | 2.4% |
| G4 Allegiant Air | 981 | 17% | 66.5% | 27.7 min | 0.8% |
| MQ Envoy Air | 639 | 11% | 73.4% | 8.6 min | 2.7% |
| UA United Airlines | 602 | 10% | 72.8% | 14.0 min | 3.0% |
| OO SkyWest Airlines | 599 | 10% | 70.1% | 26.6 min | 3.0% |
| YX Republic Airline | 469 | 8% | 86.1% | -4.7 min | 2.1% |
| OH PSA Airlines | 181 | 3% | 76.2% | 26.3 min | 2.2% |
| F9 Frontier Airlines | 99 | 2% | 67.7% | 21.7 min | 3.0% |
Departures from MDT by reporting carrier, ordered by flights; on time means the flight reached its destination less than 15 minutes late. Green is at or above the airport's overall share of 75.4%. Carriers fly different routes at different hours, so the rows are not a like-for-like test.
Busiest routes from MDT
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| MDT–ORD | Harrisburg to Chicago | 2,131 | 72.6% | 14.5 min | 3.1% |
| MDT–ATL | Harrisburg to Atlanta | 1,002 | 83.1% | -3.1 min | 2.4% |
| MDT–CLT | Harrisburg to Charlotte | 744 | 80.1% | 6.8 min | 2.6% |
| MDT–DFW | Harrisburg to Dallas/Fort Worth | 365 | 79.7% | 9.2 min | 3.3% |
| MDT–DTW | Harrisburg to Detroit | 314 | 77.7% | 17.1 min | 1.9% |
| MDT–SFB | Harrisburg to Sanford | 278 | 63.3% | 35.8 min | 0.4% |
| MDT–PIE | Harrisburg to St. Petersburg | 165 | 58.2% | 33.2 min | 1.2% |
| MDT–PGD | Harrisburg to Punta Gorda | 152 | 80.3% | 3.9 min | 0.7% |
| MDT–BOS | Harrisburg to Boston | 115 | 93.9% | -9.5 min | 1.7% |
| MDT–SRQ | Harrisburg to Sarasota/Bradenton | 112 | 82.1% | 11.2 min | 0.9% |
The 10 busiest of 19 routes with reported flights. Routes with at least 10 flights a month have their own page.
Month by month
By scheduled departure hour
Among hours with at least 115 departures, 8 am to 9 am had the highest on-time share (90.4% of 219 flights) and 8 pm to 9 pm the lowest (52.9% of 172).
Delay causes
Cancellations by reported reason (141 in the period): air carrier 18%, weather 70%, national aviation system 11%, security 0%.
Checkpoint volumes
TSA publishes daily checkpoint passenger counts for the country as a whole, not for MDT on its own. The national series through September 2026 is on the checkpoint volumes page.
Questions and answers
How often do flights leave MDT on time?
76.4% of the 5,767 scheduled domestic departures in the 12 months to July 2026 left less than 15 minutes late; the national figure was 76.1%. 2.4% were cancelled.
How often do flights arrive at MDT on time?
72.7% of 5,767 scheduled arrivals were on time by the BTS definition, against 76.0% nationally.
Which airline has the highest on-time share at MDT?
Counting departures from MDT and whether they reached their destination on time, Republic Airline had the highest share (86.1% of 469 flights), then Delta Air Lines (83.1%) and American Airlines (77.7%). Carriers fly different routes at different hours, so the figures are not a like-for-like test.
What causes delays at MDT?
For departures from MDT that reached their destination 15 or more minutes late, carriers attributed the delay minutes as follows: air carrier 37%, late-arriving aircraft 34%, national aviation system 20%, extreme weather 9%, security 0%.
What time of day has the highest on-time share at MDT?
Departures scheduled from 8 am to 9 am local time left on time 90.4% of the time, the highest of any hour with enough flights to compare; 8 pm to 9 pm was lowest at 52.9%.
Is it getting better?
On-time departures for the 12 months to July 2026 were 76.4%, down 3.5 points on the previous 12 months (79.9%). The monthly chart shows each of the last 36 months, and each month has its own page.
Does this page show today's delays at MDT?
No. BTS publishes on-time records about two months after the month ends, so this page is a monthly history through July 2026. For live conditions use the FAA airport status service or your airline.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; airport name from the BTS airport lookup table. US government works in the public domain. Domestic scheduled flights by reporting carriers only: international flights, charters and smaller carriers are not in the source. Totals and averages only; no individual flight or aircraft is identified. See the methodology; report processing errors through corrections.