SDF to GUF flight delays & on-time performance
Nonstop flights from Louisville Muhammad Ali International Airport to Jack Edwards National Airport · 555 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SDF or GUF right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Louisville (SDF) to Gulf Shores (GUF) arrived on time 62% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 10% arrived an hour or more late.
- Allegiant Air is the only airline reporting nonstop flights on this route.
- Friday was the most reliable day to fly (64% on time) and Monday the least (60%).
- The largest source of delay minutes was late-arriving aircraft (66%).
Which airline is most on time from SDF to GUF?
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 | 62% | 0.0% | 34 min | 9.5% | 21 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
Not enough departures across different hours to compare.
Best day of the week
On-time arrival rate by day of departure.
- Monday60%0.0% cancelled
- Friday64%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.
- Late-arriving aircraft66%
- Air traffic control & airport congestion33%
- Airline (crew, maintenance, cleaning, fueling)1%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
SDF to GUF: common questions
- How often are SDF to GUF flights on time?
- 62% 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 Louisville to Gulf Shores cancelled?
- 0.0% of scheduled flights were cancelled (0 of 21).
- How long are typical delays?
- Across all flights the average arrival delay was 34 min (early arrivals count as zero). Flights that were late arrived 88 min behind schedule on average, and 9.5% of flights were an hour or more late.
- How long is taxi time at SDF?
- Flights on this route spent 12 min taxiing from the gate to takeoff on average.
Related routes
Return trip: GUF to SDF — 67% on time
More flights from Louisville
More flights to Gulf Shores
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SDF → GUF, nonstop flights by US airlines that report to the DOT. How we calculate this.