Harrisburg International Airport (MDT) delays & on-time performance
Harrisburg, Pennsylvania · 19 nonstop destinations · 9 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MDT right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
78%
arrived < 15 min late
Cancelled
2.4%
141 flights
Avg arrival delay
23 min
99 min when late
Departed on time
78%
avg taxi-out 16 min
Figures cover 5,767 departures from MDT; on-time is measured at arrival. Arrivals into MDT were on time 75% of the time.
Key facts
- Flights departing Harrisburg International Airport (MDT) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 2.4% were cancelled, and 9% arrived an hour or more late.
- Republic Airways was the most punctual airline here (88% on time); Allegiant Air was the least (67%).
- Departures scheduled around 5am did best (93% on time); around 8pm did worst (61%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (37%).
Most delayed routes from MDT
Lowest on-time arrival rates among regularly flown routes.
- ORD · Chicago75%2,131 flts
- CLT · Charlotte82%744 flts
- DFW · Dallas/Fort Worth83%365 flts
- ATL · Atlanta86%1,002 flts
Most reliable routes from MDT
Highest on-time arrival rates among regularly flown routes.
- ATL · Atlanta86%1,002 flts
- DFW · Dallas/Fort Worth83%365 flts
- CLT · Charlotte82%744 flts
- ORD · Chicago75%2,131 flts
Best airline at MDT
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Republic Airways | 88% | 2.1% | 8 min | 2 | 469 |
| Delta Air Lines | 86% | 2.4% | 12 min | 1 | 1,002 |
| American Airlines | 81% | 3.3% | 21 min | 6 | 1,195 |
| PSA Airlines | 78% | 2.2% | 35 min | 1 | 181 |
| Envoy Air | 76% | 2.7% | 20 min | 2 | 639 |
| United Airlines | 75% | 3.0% | 20 min | 1 | 602 |
| SkyWest Airlines | 73% | 3.0% | 36 min | 2 | 599 |
| Frontier Airlines | 70% | 3.0% | 33 min | 1 | 99 |
| Allegiant Air | 67% | 0.8% | 36 min | 8 | 981 |
Best time to fly out of MDT
On-time arrival rate by scheduled departure hour (local time).
- 5am93%223 flts
- 6am87%1,338 flts
- 7am87%239 flts
- 8am89%219 flts
- 9am81%131 flts
- 10am75%238 flts
- 11am85%593 flts
- 12pm79%309 flts
- 1pm82%154 flts
- 2pm59%110 flts
- 3pm74%262 flts
- 4pm73%327 flts
- 5pm62%710 flts
- 6pm74%474 flts
- 7pm62%189 flts
- 8pm61%172 flts
Monthly trend
Why departures were late
- Airline (crew, maintenance, cleaning, fueling)37%
- Late-arriving aircraft34%
- Air traffic control & airport congestion20%
- Extreme weather9%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.