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242 km · Domestic

Nashville (BNA) – Louisville Muhammad Ali (SDF)

In July 2026, 123 flights operated between Nashville and Louisville Muhammad Ali (both directions), and 62.6% left on time, according to the US BTS.

Official · July 2026 according to the US BTS only airlines required to report on-time data to the US DOT

Flights per month

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods12 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January–60–
February–55–
March–116–
April–121–
May–125–
June–120–
July–123–
August46––
September51––
October54–in progress
November67––
December66––

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods12 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January–95.0%–
February–74.5%–
March–67.2%–
April–76.9%–
May–66.4%–
June–65.0%–
July–62.6%–
August82.6%––
September92.2%––
October85.2%–in progress
November85.1%––
December71.2%––

Cancelled flights by month

The most recent periods12 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January–4–
February–1–
March–0–
April–0–
May–0–
June–0–
July–1–
August0––
September1––
October0–in progress
November0––
December0––

By direction

BNA → SDF

Scheduled flights
506
Flights operated
504
Cancelled
2 · 0.4%
On-time departures
67.1%

SDF → BNA

Scheduled flights
505
Flights operated
500
Cancelled
5 · 1.0%
On-time departures
80.8%

BNA → SDF and SDF → BNA counted separately.

Airlines on this route

Aug 1, 2025 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Southwest Airlines WN 1,011 100.0% 73.9% 7

Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Times are local to the departure airport of each flight; both directions are combined.

US domestic sectors recorded by BTS

Source: the US BTS · Aug 5, 2025 → Jul 31, 2026

Recorded flights1,011BNA–SDF

Departure hour

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · 66 · 66 recorded · 66 measured · Source: the US BTS 07:00 · 93 · 93 recorded · 92 measured · Source: the US BTS 08:00 · 2 · 2 recorded · 2 measured · Source: the US BTS 09:00 · 31 · 31 recorded · 31 measured · Source: the US BTS 10:00 · 60 · 60 recorded · 60 measured · Source: the US BTS 11:00 · 121 · 121 recorded · 117 measured · Source: the US BTS 12:00 · 65 · 65 recorded · 65 measured · Source: the US BTS 13:00 · 96 · 96 recorded · 96 measured · Source: the US BTS 14:00 · 111 · 111 recorded · 110 measured · Source: the US BTS 15:00 · 47 · 47 recorded · 46 measured · Source: the US BTS 16:00 · 34 · 34 recorded · 34 measured · Source: the US BTS 17:00 · 60 · 60 recorded · 60 measured · Source: the US BTS 18:00 · 72 · 72 recorded · 72 measured · Source: the US BTS 19:00 · 66 · 66 recorded · 66 measured · Source: the US BTS 20:00 · 73 · 73 recorded · 73 measured · Source: the US BTS 21:00 · 13 · 13 recorded · 13 measured · Source: the US BTS 22:00 · 1 · 1 recorded · 1 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:00No observations———
06:00Fewer than 200 measured departures—6666
07:00Fewer than 200 measured departures—9293
08:00Fewer than 200 measured departures—22
09:00Fewer than 200 measured departures—3131
10:00Fewer than 200 measured departures—6060
11:00Fewer than 200 measured departures—117121
12:00Fewer than 200 measured departures—6565
13:00Fewer than 200 measured departures—9696
14:00Fewer than 200 measured departures—110111
15:00Fewer than 200 measured departures—4647
16:00Fewer than 200 measured departures—3434
17:00Fewer than 200 measured departures—6060
18:00Fewer than 200 measured departures—7272
19:00Fewer than 200 measured departures—6666
20:00Fewer than 200 measured departures—7373
21:00Fewer than 200 measured departures—1313
22:00Fewer than 200 measured departures—11
23:00No observations———

Day of week

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 144 · 144 recorded · 144 measured · Source: the US BTS Tuesday · 146 · 146 recorded · 146 measured · Source: the US BTS Wednesday · 146 · 146 recorded · 144 measured · Source: the US BTS Thursday · 149 · 149 recorded · 148 measured · Source: the US BTS Friday · 148 · 148 recorded · 148 measured · Source: the US BTS Saturday · 128 · 128 recorded · 126 measured · Source: the US BTS Sunday · 150 · 150 recorded · 148 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
MondayFewer than 200 measured departures—144144
TuesdayFewer than 200 measured departures—146146
WednesdayFewer than 200 measured departures—144146
ThursdayFewer than 200 measured departures—148149
FridayFewer than 200 measured departures—148148
SaturdayFewer than 200 measured departures—126128
SundayFewer than 200 measured departures—148150

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 64 · 64 recorded · 60 measured · Source: the US BTS Feb · 56 · 56 recorded · 55 measured · Source: the US BTS Mar · 116 · 116 recorded · 116 measured · Source: the US BTS Apr · 121 · 121 recorded · 121 measured · Source: the US BTS May · 125 · 125 recorded · 125 measured · Source: the US BTS Jun · 120 · 120 recorded · 120 measured · Source: the US BTS Jul · 124 · 124 recorded · 123 measured · Source: the US BTS Aug · 46 · 46 recorded · 46 measured · Source: the US BTS Sep · 52 · 52 recorded · 51 measured · Source: the US BTS Oct · 54 · 54 recorded · 54 measured · Source: the US BTS Nov · 67 · 67 recorded · 67 measured · Source: the US BTS Dec · 66 · 66 recorded · 66 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanFewer than 200 measured departures—6064
FebFewer than 200 measured departures—5556
MarFewer than 200 measured departures—116116
AprFewer than 200 measured departures—121121
MayFewer than 200 measured departures—125125
JunFewer than 200 measured departures—120120
JulFewer than 200 measured departures—123124
AugFewer than 200 measured departures—4646
SepFewer than 200 measured departures—5152
OctFewer than 200 measured departures—5454
NovFewer than 200 measured departures—6767
DecFewer than 200 measured departures—6666

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 73.4% 742
  • Delayed >15 min 25.9% 262
  • Cancelled 0.7% 7
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Flight numbers on this route

11
11 of 11
Flight numbersBy direction DeparturesOn time
WN1712 SDF → BNA 58 46.6%
WN4798 SDF → BNA 58 94.8%
WN801 BNA → SDF 58 41.4%
WN671 BNA → SDF 56 26.8%
WN3604 SDF → BNA 50 95.9%
WN1339 SDF → BNA 49 91.7%
WN1326 BNA → SDF 46 82.6%
WN1309 BNA → SDF 42 85.7%
WN1395 SDF → BNA 42 90.0%
WN646 BNA → SDF 36 82.9%
WN1003 SDF → BNA 33 93.9%

Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 123 1 62.6%
June 2026 120 0 65.0%
May 2026 125 0 66.4%
April 2026 121 0 76.9%
March 2026 116 0 67.2%
February 2026 55 1 74.5%
January 2026 60 4 95.0%
December 2025 66 0 71.2%
November 2025 67 0 85.1%
October 2025 54 0 85.2%
September 2025 51 1 92.2%
August 2025 46 0 82.6%

How to read this chart

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