JAX to MDT flight delays & on-time performance
Nonstop flights from Jacksonville International Airport to Harrisburg International Airport · 724 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at JAX or MDT right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Jacksonville (JAX) to Harrisburg (MDT) arrived on time 73% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 8% arrived an hour or more late.
- Allegiant Air is the only airline reporting nonstop flights on this route.
- Departures scheduled around 3pm did best (81% on time); around 2pm did worst (67%).
- Thursday was the most reliable day to fly (83% on time) and Friday the least (56%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (69%).
Which airline is most on time from JAX to MDT?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Allegiant Air | 73% | 0.0% | 47 min | 8.2% | 73 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 2pm67%46 flights
- 3pm81%16 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday80%0.0% cancelled
- Tuesday33%0.0% cancelled
- Thursday83%0.0% cancelled
- Friday56%0.0% cancelled
- Saturday33%0.0% cancelled
- Sunday83%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)69%
- Late-arriving aircraft24%
- Air traffic control & airport congestion4%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
JAX to MDT: common questions
- How often are JAX to MDT flights on time?
- 73% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Jacksonville to Harrisburg cancelled?
- 0.0% of scheduled flights were cancelled (0 of 73).
- How long are typical delays?
- Across all flights the average arrival delay was 47 min (early arrivals count as zero). Flights that were late arrived 167 min behind schedule on average, and 8.2% of flights were an hour or more late.
- How long is taxi time at JAX?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MDT to JAX — 62% on time
More flights from Jacksonville
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: JAX → MDT, nonstop flights by US airlines that report to the DOT. How we calculate this.