Route · SDF → PHX · 2020–2025 BTS data
Louisville to Phoenix
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SDF to PHX (Louisville to Phoenix) ranks #4699 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 81%
- On-time
- +2 pts
- vs US avg
- 61 min
- Delay when late
- 759
- Flights
- #4699 of 4927
- Corpus placement
Cancelled
2.9%
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 | 9 | 0 | 0 | WN |
| Oct 2025 | 31 | 4 | 0 | 0 | WN |
| Sep 2025 | 30 | 8 | 0 | 1 | WN |
| Aug 2025 | 30 | 5 | 0 | 1 | WN |
| Jul 2025 | 31 | 7 | 0 | 0 | WN |
| Jun 2025 | 30 | 6 | 0 | 0 | WN |
| May 2025 | 35 | 7 | 0 | 0 | AA,WN |
| Apr 2025 | 31 | 7 | 0 | 0 | WN |
| Mar 2025 | 35 | 8 | 0 | 0 | WN |
| Jan 2025 | 31 | 1 | 1 | 1 | WN |
| Dec 2024 | 31 | 7 | 0 | 1 | WN |
| Oct 2024 | 35 | 5 | 0 | 0 | WN |
| Sep 2024 | 30 | 4 | 0 | 0 | WN |
| Aug 2024 | 31 | 2 | 0 | 0 | WN |
| Jul 2024 | 31 | 5 | 0 | 0 | WN |
| Jun 2024 | 30 | 6 | 0 | 0 | WN |
| May 2024 | 36 | 15 | 0 | 0 | AA,WN |
| Apr 2024 | 31 | 13 | 0 | 0 | WN |
| Mar 2024 | 35 | 11 | 0 | 0 | WN |
| Jan 2024 | 31 | 7 | 0 | 0 | WN |
| Dec 2023 | 31 | 4 | 0 | 0 | WN |
| Oct 2023 | 31 | 2 | 0 | 0 | WN |
| Mar 2022 | 31 | 0 | 1 | 0 | WN |
| Apr 2020 | 30 | 1 | 20 | 0 | WN |
SDF–PHX seasonal on-time pattern
Best: October (88.7%) · weakest: May (69.0%)
Strongest calendar month
October
88.7% on-time · ~32 flights/mo
Busiest calendar month
May
~36 flights/mo avg
Weakest calendar month
May
69.0% on-time · ~36 flights/mo
Cancellation Rate
2.9%
22 of 759 flights
Diversion Rate
0.5%
4 of 759 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SDF - Louisville
Full on-time, delay-cause, and seasonal performance for Louisville, KY.
SDF on-time profilePHX - Phoenix
Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.
PHX on-time profileCompare the two airports
See SDF and PHX side by side on delays, cancellations, and reliability.
Compare SDF vs PHXOrigin-hub reliability standing
Mid-pack among SDF departures
From SDF, this corridor sits with 13 other 75–85% on-time routes out of 23 tracked departures, not the hub's reliability leaders (9 at ≥85%) and not the softest ( 1 below 75%). Destination: Phoenix · fleet on-time rank #2758 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SDF–PHX.
Routes with a similar on-time rate
What the Data Says About SDF to PHX
759 tracked flights put the SDF to PHX pairing (Louisville to Phoenix) at a 81% on-time rate, squarely in line with the wider network. Delays that do occur run 61.3 minutes on average. Across the 1,506-mile route and its 2 carriers, the trailing 24 months show 2.9% cancelled and 0.5% diverted (759 flights sampled).
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, SDF–PHX peaks in October at 88.7% on-time while May carries the heaviest traffic (~36 flights per month) ; the softest month is May at 69.0%, a 19.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SDF to PHX rank among US routes by traffic? ▼
How often are flights delayed from SDF to PHX? ▼
What is the cancellation rate for SDF to PHX? ▼
How far is the flight from SDF to PHX? ▼
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 SDF–PHX data
SDF–PHX is mid-pack at 81% on-time; month and carrier mix move more than the corridor headline.
- Compare SDF and PHX airport profiles: delay causes and top routes differ even on the same corridor. SDF airport
- If your dates flex, October (88.7% on-time) beats May (69.0%) on this corridor. Seasonal chart
- 4 other routes post a similar 81% 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.