Route · PHX → SDF · 2020–2025 BTS data
Phoenix to Louisville
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PHX to SDF (Phoenix to Louisville) ranks #4722 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 75.4%
- On-time
- -3.6 pts
- vs US avg
- 61 min
- Delay when late
- 727
- Flights
- #4722 of 4927
- Corpus placement
Cancelled
2.5%
Best Month
N/A
Worst Month
N/A
Distance
1,506 mi
Carriers
2
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 13 | 0 | 0 | WN |
| Oct 2025 | 31 | 9 | 0 | 0 | WN |
| Sep 2025 | 30 | 7 | 0 | 0 | WN |
| Aug 2025 | 30 | 1 | 0 | 0 | WN |
| Jul 2025 | 31 | 6 | 0 | 0 | WN |
| Jun 2025 | 30 | 4 | 0 | 0 | WN |
| May 2025 | 34 | 14 | 0 | 0 | AA,WN |
| Apr 2025 | 31 | 10 | 0 | 0 | WN |
| Mar 2025 | 35 | 9 | 0 | 0 | WN |
| Jan 2025 | 31 | 5 | 1 | 0 | WN |
| Dec 2024 | 31 | 12 | 0 | 0 | WN |
| Oct 2024 | 35 | 7 | 0 | 0 | WN |
| Sep 2024 | 30 | 3 | 0 | 0 | WN |
| Aug 2024 | 31 | 6 | 0 | 0 | WN |
| Jul 2024 | 31 | 13 | 0 | 0 | WN |
| Jun 2024 | 30 | 14 | 0 | 0 | WN |
| May 2024 | 36 | 3 | 0 | 0 | AA,WN |
| Apr 2024 | 31 | 7 | 0 | 0 | WN |
| Mar 2024 | 35 | 11 | 0 | 0 | WN |
| Jan 2024 | 31 | 6 | 0 | 0 | WN |
| Dec 2023 | 31 | 8 | 0 | 0 | WN |
| Oct 2023 | 31 | 11 | 0 | 0 | WN |
| Apr 2020 | 30 | 0 | 17 | 0 | WN |
PHX–SDF seasonal on-time pattern
Best: August (88.5%) · weakest: December (64.5%)
Strongest calendar month
August
88.5% on-time · ~31 flights/mo
Busiest calendar month
March
~35 flights/mo avg
Weakest calendar month
December
64.5% on-time · ~31 flights/mo
Cancellation Rate
2.5%
18 of 727 flights
Diversion Rate
0.0%
0 of 727 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PHX - Phoenix
Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.
PHX on-time profileSDF - Louisville
Full on-time, delay-cause, and seasonal performance for Louisville, KY.
SDF on-time profileCompare the two airports
See PHX and SDF side by side on delays, cancellations, and reliability.
Compare PHX vs SDFOrigin-hub reliability standing
Mid-pack among PHX departures
From PHX, this corridor sits with 71 other 75–85% on-time routes out of 97 tracked departures, not the hub's reliability leaders (25 at ≥85%) and not the softest ( 1 below 75%). Destination: Louisville · fleet on-time rank #4410 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to PHX–SDF.
Routes with a similar on-time rate
What the Data Says About PHX to SDF
The Phoenix to Louisville corridor (PHX to SDF) posts a 75.4% on-time rate on the lower edge of the average band, based on 727 tracked flights. Late flights run 60.9 minutes behind on average. 2 carriers cover the 1,506-mile route; over the last 24 months, 18 of 727 flights were cancelled (2.5%) and 0.0% diverted.
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
On the multi-year calendar, PHX–SDF peaks in August at 88.5% on-time while March carries the heaviest traffic (~35 flights per month) ; the softest month is December at 64.5%, a 24.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does PHX to SDF rank among US routes by traffic? ▼
How often are flights delayed from PHX to SDF? ▼
What is the cancellation rate for PHX to SDF? ▼
How far is the flight from PHX to SDF? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using PHX–SDF data
PHX–SDF is mid-pack at 75.4% on-time; month and carrier mix move more than the corridor headline.
- Compare PHX and SDF airport profiles: delay causes and top routes differ even on the same corridor. PHX airport
- If your dates flex, August (88.5% on-time) beats December (64.5%) on this corridor. Seasonal chart
- 4 other routes post a similar 75.4% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.