Airports › Harrisburg (MDT) › September 2025
Airport month · September 2025
Harrisburg International in September 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 September 2025, reporting carriers scheduled 357 domestic departures from Harrisburg International (MDT). 83.8% left less than 15 minutes late and 84.6% reached their destination on time; 0.0% were cancelled.
Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so MDT departures were 0.7 points above the national departure figure.
A year earlier, in September 2024, the airport had 428 departures with 80.8% leaving on time: a change of +3.0 points, with flights down 17%.
Flights arriving at MDT that month were on time 81.8% of the time (357 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 34%, air carrier 28% and late-arriving aircraft 28%.
- On time 84.6%
- Arrived 15+ minutes late 15.1%
- Cancelled 0.0%
- Diverted 0.3%
September 2025 against a year earlier, the airport's year and the nation
| Measure | Sep 2025 | Sep 2024 | MDT, 12 months to Jul 2026 | All reported flights, Sep 2025 |
|---|---|---|---|---|
| Departed on time | 83.8% | 80.8% | 76.4% | 83.1% |
| Arrived on time | 84.6% | 81.8% | 75.4% | 82.8% |
| Cancelled | 0.0% | 0.9% | 2.4% | 0.5% |
| Average departure delay (late minutes only) | 14.8 min | 17.7 min | 22.3 min | 12.2 min |
| Scheduled departures a day | 12 | 14 | 16 | 18,748 |
| Scheduled departures | 357 | 428 | 5,767 | 562,439 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| AA American Airlines | 89 | 25% | 91.0% | -9.4 min | 0.0% |
| DL Delta Air Lines | 81 | 23% | 92.6% | -3.9 min | 0.0% |
| MQ Envoy Air | 61 | 17% | 90.2% | -7.5 min | 0.0% |
| UA United Airlines | 57 | 16% | 80.7% | 9.2 min | 0.0% |
| G4 Allegiant Air | 44 | 12% | 61.4% | 51.0 min | 0.0% |
| YX Republic Airline | 11 | 3% | 63.6% | 17.0 min | 0.0% |
| F9 Frontier Airlines | 9 | 3% | 77.8% | 8.6 min | 0.0% |
| OH PSA Airlines | 3 | 1% | 100.0% | -18.7 min | 0.0% |
| OO SkyWest Airlines | 2 | 1% | 50.0% | 26.5 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| MDT–ORD | Harrisburg to Chicago | 129 | 83.7% | 2.0 min | 0.0% |
| MDT–ATL | Harrisburg to Atlanta | 81 | 92.6% | -3.9 min | 0.0% |
| MDT–CLT | Harrisburg to Charlotte | 60 | 90.0% | -8.8 min | 0.0% |
| MDT–DFW | Harrisburg to Dallas/Fort Worth | 30 | 93.3% | -10.7 min | 0.0% |
| MDT–SFB | Harrisburg to Sanford | 17 | 23.5% | 123.6 min | 0.0% |
| MDT–MCO | Harrisburg to Orlando | 9 | 77.8% | 8.6 min | 0.0% |
| MDT–PIE | Harrisburg to St. Petersburg | 9 | 77.8% | 20.1 min | 0.0% |
| MDT–MYR | Harrisburg to Myrtle Beach | 8 | 87.5% | 1.3 min | 0.0% |
| MDT–PGD | Harrisburg to Punta Gorda | 8 | 100.0% | -10.4 min | 0.0% |
| MDT–DTW | Harrisburg to Detroit | 2 | 50.0% | 26.5 min | 0.0% |
| MDT–BNA | Harrisburg to Nashville | 1 | 0.0% | 19.0 min | 0.0% |
| MDT–EUG | Harrisburg to Eugene | 1 | 100.0% | -27.0 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left MDT on time in September 2025?
83.8% of 357 scheduled domestic departures left less than 15 minutes late, and 84.6% reached their destination on time. The national figures that month were 83.1% and 82.8%.
How does that compare with a year earlier?
In September 2024, 80.8% of 428 departures left on time and 0.9% were cancelled, against 83.8% and 0.0% in September 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 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.