Blue Grass Airport (LEX) delays & on-time performance
Lexington, Kentucky · 19 nonstop destinations · 8 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LEX right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
80%
arrived < 15 min late
Cancelled
2.2%
204 flights
Avg arrival delay
19 min
90 min when late
Departed on time
80%
avg taxi-out 18 min
Figures cover 9,242 departures from LEX; on-time is measured at arrival. Arrivals into LEX were on time 77% of the time.
Key facts
- Flights departing Blue Grass Airport (LEX) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 2.2% were cancelled, and 9% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (88% on time); Allegiant Air was the least (63%).
- Departures scheduled around 5am did best (90% on time); around 8pm did worst (65%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (40%).
Most delayed routes from LEX
Lowest on-time arrival rates among regularly flown routes.
- ORD · Chicago73%1,710 flts
- DFW · Dallas/Fort Worth77%1,213 flts
- PHL · Philadelphia81%399 flts
- CLT · Charlotte83%1,380 flts
- DTW · Detroit84%788 flts
- DEN · Denver85%365 flts
- ATL · Atlanta88%2,054 flts
Most reliable routes from LEX
Highest on-time arrival rates among regularly flown routes.
- ATL · Atlanta88%2,054 flts
- DEN · Denver85%365 flts
- DTW · Detroit84%788 flts
- CLT · Charlotte83%1,380 flts
- PHL · Philadelphia81%399 flts
- DFW · Dallas/Fort Worth77%1,213 flts
- ORD · Chicago73%1,710 flts
Best airline at LEX
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 88% | 1.9% | 10 min | 2 | 2,055 |
| Republic Airways | 85% | 3.0% | 11 min | 3 | 644 |
| PSA Airlines | 83% | 2.6% | 16 min | 4 | 2,076 |
| Envoy Air | 78% | 1.5% | 16 min | 4 | 929 |
| SkyWest Airlines | 77% | 2.6% | 25 min | 4 | 2,234 |
| United Airlines | 77% | 1.4% | 15 min | 1 | 71 |
| American Airlines | 73% | 2.2% | 41 min | 1 | 318 |
| Allegiant Air | 63% | 1.2% | 31 min | 8 | 915 |
Best time to fly out of LEX
On-time arrival rate by scheduled departure hour (local time).
- 5am90%356 flts
- 6am89%1,186 flts
- 7am88%1,267 flts
- 8am85%291 flts
- 9am84%471 flts
- 10am86%648 flts
- 11am78%579 flts
- 12pm85%243 flts
- 1pm83%514 flts
- 2pm73%414 flts
- 3pm76%510 flts
- 4pm74%413 flts
- 5pm72%849 flts
- 6pm67%668 flts
- 7pm70%391 flts
- 8pm65%204 flts
- 9pm47%173 flts
Monthly trend
Why departures were late
- Airline (crew, maintenance, cleaning, fueling)40%
- Late-arriving aircraft36%
- Air traffic control & airport congestion14%
- Extreme weather10%
- 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.