Airports › Harrisburg (MDT) › December 2025
Airport month · December 2025
Harrisburg International in December 2025
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.
In December 2025, reporting carriers scheduled 443 domestic departures from Harrisburg International (MDT). 66.8% left less than 15 minutes late and 63.0% reached their destination on time; 2.3% were cancelled.
Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so MDT departures were 5.2 points below the national departure figure.
A year earlier, in December 2024, the airport had 414 departures with 74.9% leaving on time: a change of −8.1 points, with flights up 7%.
Flights arriving at MDT that month were on time 66.3% of the time (442 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 39%, late-arriving aircraft 32% and national aviation system 20%.
- On time 63.0%
- Arrived 15+ minutes late 34.5%
- Cancelled 2.3%
- Diverted 0.2%
December 2025 against a year earlier, the airport's year and the nation
| Measure | Dec 2025 | Dec 2024 | MDT, 12 months to Jul 2026 | All reported flights, Dec 2025 |
|---|---|---|---|---|
| Departed on time | 66.8% | 74.9% | 76.4% | 72.0% |
| Arrived on time | 63.0% | 74.6% | 75.4% | 71.9% |
| Cancelled | 2.3% | 0.7% | 2.4% | 1.5% |
| Average departure delay (late minutes only) | 32.1 min | 21.5 min | 22.3 min | 21.2 min |
| Scheduled departures a day | 15 | 14 | 16 | 19,410 |
| Scheduled departures | 443 | 414 | 5,767 | 582,304 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| G4 Allegiant Air | 91 | 21% | 64.8% | 23.6 min | 1.1% |
| AA American Airlines | 90 | 20% | 70.0% | 25.4 min | 1.1% |
| MQ Envoy Air | 81 | 18% | 50.6% | 34.2 min | 3.7% |
| OO SkyWest Airlines | 70 | 16% | 54.3% | 55.2 min | 4.3% |
| DL Delta Air Lines | 56 | 13% | 78.6% | 6.4 min | 0.0% |
| UA United Airlines | 30 | 7% | 63.3% | 33.2 min | 0.0% |
| YX Republic Airline | 21 | 5% | 52.4% | 26.6 min | 9.5% |
| F9 Frontier Airlines | 4 | 1% | 100.0% | -11.7 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| MDT–ORD | Harrisburg to Chicago | 161 | 52.8% | 35.1 min | 3.7% |
| MDT–CLT | Harrisburg to Charlotte | 59 | 69.5% | 24.6 min | 1.7% |
| MDT–ATL | Harrisburg to Atlanta | 56 | 78.6% | 6.4 min | 0.0% |
| MDT–DTW | Harrisburg to Detroit | 41 | 58.5% | 62.3 min | 4.9% |
| MDT–DFW | Harrisburg to Dallas/Fort Worth | 31 | 71.0% | 26.9 min | 0.0% |
| MDT–SFB | Harrisburg to Sanford | 26 | 65.4% | 17.0 min | 0.0% |
| MDT–PGD | Harrisburg to Punta Gorda | 20 | 80.0% | 13.7 min | 0.0% |
| MDT–PIE | Harrisburg to St. Petersburg | 18 | 38.9% | 40.9 min | 5.6% |
| MDT–BNA | Harrisburg to Nashville | 9 | 88.9% | 8.2 min | 0.0% |
| MDT–JAX | Harrisburg to Jacksonville | 9 | 55.6% | 14.0 min | 0.0% |
| MDT–SRQ | Harrisburg to Sarasota/Bradenton | 9 | 66.7% | 56.7 min | 0.0% |
| MDT–MCO | Harrisburg to Orlando | 4 | 100.0% | -11.7 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left MDT on time in December 2025?
66.8% of 443 scheduled domestic departures left less than 15 minutes late, and 63.0% reached their destination on time. The national figures that month were 72.0% and 71.9%.
How does that compare with a year earlier?
In December 2024, 74.9% of 414 departures left on time and 0.7% were cancelled, against 66.8% and 2.3% in December 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for MDT · methodology · corrections.