Route
SDF → EWR
Louisville Muhammad Ali International Airport Newark Liberty International Airport
How punctual is this route?
- On-time arrivals
- 87.4%
- Less than 15 minutes late
- Cancelled
- 4.7%
- Of scheduled flights
- Average delay when late
- 72 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,019
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 39%
- Late-arriving aircraft 30%
- Airline (crew, maintenance, cleaning) 28%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 91.9% | 63 |
| October 2025 | 89.2% | 93 |
| November 2025 | 76.2% | 86 |
| December 2025 | 73.2% | 75 |
| January 2026 | 88.6% | 86 |
| February 2026 | 90.3% | 80 |
| March 2026 | 80.7% | 88 |
| April 2026 | 94.0% | 83 |
| May 2026 | 96.6% | 91 |
| June 2026 | 85.6% | 90 |
| July 2026 | 89.7% | 92 |
| August 2026 | 90.6% | 92 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Republic Airways | 1,015 | 87.5% | 4.7% | 71 min |
| United Airlines | 3 | 33.3% | 0.0% | 87 min |
| NK | 1 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
YX3594
10% late · 343 flights
-
YX3682
8% late · 218 flights
-
YX3452
18% late · 81 flights
-
YX3412
32% late · 67 flights
-
YX3694
18% late · 47 flights
-
YX3623
10% late · 46 flights
-
YX3544
12% late · 37 flights
-
YX3661
11% late · 35 flights
-
YX3615
0% late · 31 flights
-
YX3599
31% late · 28 flights
-
YX3574
21% late · 24 flights
-
YX3632
0% late · 21 flights
-
YX3654
19% late · 21 flights
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