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1,514 km · Domestic

Nashville (BNA) – Boston Logan (BOS)

In July 2026, 529 flights operated between Nashville and Boston Logan (both directions), and 63.5% 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 periods19 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January293334▲ 14.0%
February256329▲ 28.5%
March466459▼ 1.5%
April496477▼ 3.8%
May584537▼ 8.0%
June561535▼ 4.6%
July560529▼ 5.5%
August530––
September510––
October649–in progress
November459––
December399––
Year to date (Jan–Jul)3,2163,200▼ 0.5%

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January84.0%76.6%▼ 8.8%
February81.3%73.9%▼ 9.1%
March79.4%70.8%▼ 10.8%
April81.7%71.9%▼ 12.0%
May72.1%66.9%▼ 7.2%
June66.7%67.3%▲ 0.9%
July66.4%63.5%▼ 4.4%
August77.2%––
September62.5%––
October61.3%–in progress
November73.9%––
December68.7%––
Year-to-date average (Jan–Jul)75.9%70.1%▼ 7.7%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January1231▲ 158.3%
February324▲ 700.0%
March19▲ 800.0%
April10▼ 100.0%
May02–
June32▼ 33.3%
July2029▲ 45.0%
August2––
September3––
October11–in progress
November3––
December6––
Year to date (Jan–Jul)4097▲ 142.5%

Airlines on this route

  1. Southwest Airlines 33.7%
  2. JetBlue Airways 28.9%
  3. Delta Air Lines 17.3%
  4. Republic Airways 17.3%
  5. Spirit Airlines 2.8%
  6. American Airlines 0.0%

Oct 1, 2024 – Jul 31, 2026

By direction

BNA → BOS

Scheduled flights
5,174
Flights operated
5,089
Cancelled
85 · 1.6%
On-time departures
71.3%

BOS → BNA

Scheduled flights
5,172
Flights operated
5,091
Cancelled
81 · 1.6%
On-time departures
73.3%

BNA → BOS and BOS → BNA counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Southwest Airlines WN 3,482 33.7% 66.9% 34
JetBlue Airways B6 2,987 28.9% 72.3% 68
Delta Air Lines DL 1,794 17.3% 74.7% 18
Republic Airways YX 1,786 17.3% 80.1% 43
Spirit Airlines NK 293 2.8% 75.5% 3
American Airlines AA 4 0.0% 100.0% 0

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 · Oct 12, 2024 → Jul 31, 2026

Lowest average delay06:00–07:000.0min · 537 recorded · 529 measured
Gap to highest-delay hour32.5min06:00 ↔ 20:00
Recorded flights10,346BNA–BOS

Departure hour

On-time departures 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 · 95.3% · 452 recorded · 447 measured · Source: the US BTS 06:00 · 93.2% · 537 recorded · 529 measured · Source: the US BTS 07:00 · 86.5% · 913 recorded · 898 measured · Source: the US BTS 08:00 · 87.3% · 555 recorded · 542 measured · Source: the US BTS 09:00 · 84.3% · 798 recorded · 789 measured · Source: the US BTS 10:00 · 81.1% · 656 recorded · 650 measured · Source: the US BTS 11:00 · 76.4% · 783 recorded · 766 measured · Source: the US BTS 12:00 · 72.9% · 592 recorded · 587 measured · Source: the US BTS 13:00 · 58.6% · 278 recorded · 273 measured · Source: the US BTS 14:00 · 66.9% · 528 recorded · 520 measured · Source: the US BTS 15:00 · 61.9% · 632 recorded · 624 measured · Source: the US BTS 16:00 · 61.8% · 423 recorded · 411 measured · Source: the US BTS 17:00 · 61.4% · 570 recorded · 559 measured · Source: the US BTS 18:00 · 65.2% · 879 recorded · 873 measured · Source: the US BTS 19:00 · 57.5% · 1,054 recorded · 1,027 measured · Source: the US BTS 20:00 · 49.2% · 550 recorded · 541 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 103 recorded · 101 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 43 recorded · 43 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.

Average departure delay 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 · 1.4 min · 452 recorded · 447 measured · Source: the US BTS 06:00 · 0.0 min · 537 recorded · 529 measured · Source: the US BTS 07:00 · 6.9 min · 913 recorded · 898 measured · Source: the US BTS 08:00 · 6.7 min · 555 recorded · 542 measured · Source: the US BTS 09:00 · 6.8 min · 798 recorded · 789 measured · Source: the US BTS 10:00 · 9.3 min · 656 recorded · 650 measured · Source: the US BTS 11:00 · 14.6 min · 783 recorded · 766 measured · Source: the US BTS 12:00 · 17.7 min · 592 recorded · 587 measured · Source: the US BTS 13:00 · 24.2 min · 278 recorded · 273 measured · Source: the US BTS 14:00 · 22.3 min · 528 recorded · 520 measured · Source: the US BTS 15:00 · 25.4 min · 632 recorded · 624 measured · Source: the US BTS 16:00 · 24.5 min · 423 recorded · 411 measured · Source: the US BTS 17:00 · 32.0 min · 570 recorded · 559 measured · Source: the US BTS 18:00 · 26.5 min · 879 recorded · 873 measured · Source: the US BTS 19:00 · 28.8 min · 1,054 recorded · 1,027 measured · Source: the US BTS 20:00 · 32.5 min · 550 recorded · 541 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 103 recorded · 101 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 43 recorded · 43 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.

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 · 452 · 452 recorded · 447 measured · Source: the US BTS 06:00 · 537 · 537 recorded · 529 measured · Source: the US BTS 07:00 · 913 · 913 recorded · 898 measured · Source: the US BTS 08:00 · 555 · 555 recorded · 542 measured · Source: the US BTS 09:00 · 798 · 798 recorded · 789 measured · Source: the US BTS 10:00 · 656 · 656 recorded · 650 measured · Source: the US BTS 11:00 · 783 · 783 recorded · 766 measured · Source: the US BTS 12:00 · 592 · 592 recorded · 587 measured · Source: the US BTS 13:00 · 278 · 278 recorded · 273 measured · Source: the US BTS 14:00 · 528 · 528 recorded · 520 measured · Source: the US BTS 15:00 · 632 · 632 recorded · 624 measured · Source: the US BTS 16:00 · 423 · 423 recorded · 411 measured · Source: the US BTS 17:00 · 570 · 570 recorded · 559 measured · Source: the US BTS 18:00 · 879 · 879 recorded · 873 measured · Source: the US BTS 19:00 · 1,054 · 1,054 recorded · 1,027 measured · Source: the US BTS 20:00 · 550 · 550 recorded · 541 measured · Source: the US BTS 21:00 · 103 · 103 recorded · 101 measured · Source: the US BTS 22:00 · 43 · 43 recorded · 43 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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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———
05:0095.3%1.4 min447452
06:0093.2%0.0 min529537
07:0086.5%6.9 min898913
08:0087.3%6.7 min542555
09:0084.3%6.8 min789798
10:0081.1%9.3 min650656
11:0076.4%14.6 min766783
12:0072.9%17.7 min587592
13:0058.6%24.2 min273278
14:0066.9%22.3 min520528
15:0061.9%25.4 min624632
16:0061.8%24.5 min411423
17:0061.4%32.0 min559570
18:0065.2%26.5 min873879
19:0057.5%28.8 min1,0271,054
20:0049.2%32.5 min541550
21:00Fewer than 200 measured departures—101103
22:00Fewer than 200 measured departures—4343
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 69.6% · 1,564 recorded · 1,519 measured · Source: the US BTS Tuesday · 74.8% · 1,396 recorded · 1,370 measured · Source: the US BTS Wednesday · 77.0% · 1,403 recorded · 1,388 measured · Source: the US BTS Thursday · 68.2% · 1,540 recorded · 1,533 measured · Source: the US BTS Friday · 71.5% · 1,572 recorded · 1,556 measured · Source: the US BTS Saturday · 79.2% · 1,286 recorded · 1,267 measured · Source: the US BTS Sunday · 67.8% · 1,585 recorded · 1,547 measured · Source: the US BTS

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

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Monday · 19.7 min · 1,564 recorded · 1,519 measured · Source: the US BTS Tuesday · 14.2 min · 1,396 recorded · 1,370 measured · Source: the US BTS Wednesday · 13.2 min · 1,403 recorded · 1,388 measured · Source: the US BTS Thursday · 24.5 min · 1,540 recorded · 1,533 measured · Source: the US BTS Friday · 17.8 min · 1,572 recorded · 1,556 measured · Source: the US BTS Saturday · 12.7 min · 1,286 recorded · 1,267 measured · Source: the US BTS Sunday · 20.3 min · 1,585 recorded · 1,547 measured · Source: the US BTS

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

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 1,564 · 1,564 recorded · 1,519 measured · Source: the US BTS Tuesday · 1,396 · 1,396 recorded · 1,370 measured · Source: the US BTS Wednesday · 1,403 · 1,403 recorded · 1,388 measured · Source: the US BTS Thursday · 1,540 · 1,540 recorded · 1,533 measured · Source: the US BTS Friday · 1,572 · 1,572 recorded · 1,556 measured · Source: the US BTS Saturday · 1,286 · 1,286 recorded · 1,267 measured · Source: the US BTS Sunday · 1,585 · 1,585 recorded · 1,547 measured · Source: the US BTS

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

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday69.6%19.7 min1,5191,564
Tuesday74.8%14.2 min1,3701,396
Wednesday77.0%13.2 min1,3881,403
Thursday68.2%24.5 min1,5331,540
Friday71.5%17.8 min1,5561,572
Saturday79.2%12.7 min1,2671,286
Sunday67.8%20.3 min1,5471,585

Month of year

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

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Jan · 80.1% · 670 recorded · 627 measured · Source: the US BTS Feb · 77.1% · 612 recorded · 585 measured · Source: the US BTS Mar · 75.1% · 935 recorded · 925 measured · Source: the US BTS Apr · 76.9% · 974 recorded · 973 measured · Source: the US BTS May · 69.6% · 1,123 recorded · 1,121 measured · Source: the US BTS Jun · 67.0% · 1,101 recorded · 1,096 measured · Source: the US BTS Jul · 65.0% · 1,138 recorded · 1,089 measured · Source: the US BTS Aug · 77.2% · 532 recorded · 530 measured · Source: the US BTS Sep · 62.6% · 513 recorded · 510 measured · Source: the US BTS Oct · 68.5% · 1,019 recorded · 1,008 measured · Source: the US BTS Nov · 80.0% · 904 recorded · 901 measured · Source: the US BTS Dec · 74.2% · 825 recorded · 815 measured · Source: the US BTS

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

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Jan · 11.9 min · 670 recorded · 627 measured · Source: the US BTS Feb · 12.2 min · 612 recorded · 585 measured · Source: the US BTS Mar · 14.6 min · 935 recorded · 925 measured · Source: the US BTS Apr · 11.6 min · 974 recorded · 973 measured · Source: the US BTS May · 20.8 min · 1,123 recorded · 1,121 measured · Source: the US BTS Jun · 21.8 min · 1,101 recorded · 1,096 measured · Source: the US BTS Jul · 25.1 min · 1,138 recorded · 1,089 measured · Source: the US BTS Aug · 8.6 min · 532 recorded · 530 measured · Source: the US BTS Sep · 31.2 min · 513 recorded · 510 measured · Source: the US BTS Oct · 23.9 min · 1,019 recorded · 1,008 measured · Source: the US BTS Nov · 12.5 min · 904 recorded · 901 measured · Source: the US BTS Dec · 12.8 min · 825 recorded · 815 measured · Source: the US BTS

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

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 670 · 670 recorded · 627 measured · Source: the US BTS Feb · 612 · 612 recorded · 585 measured · Source: the US BTS Mar · 935 · 935 recorded · 925 measured · Source: the US BTS Apr · 974 · 974 recorded · 973 measured · Source: the US BTS May · 1,123 · 1,123 recorded · 1,121 measured · Source: the US BTS Jun · 1,101 · 1,101 recorded · 1,096 measured · Source: the US BTS Jul · 1,138 · 1,138 recorded · 1,089 measured · Source: the US BTS Aug · 532 · 532 recorded · 530 measured · Source: the US BTS Sep · 513 · 513 recorded · 510 measured · Source: the US BTS Oct · 1,019 · 1,019 recorded · 1,008 measured · Source: the US BTS Nov · 904 · 904 recorded · 901 measured · Source: the US BTS Dec · 825 · 825 recorded · 815 measured · Source: the US BTS

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

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan80.1%11.9 min627670
Feb77.1%12.2 min585612
Mar75.1%14.6 min925935
Apr76.9%11.6 min973974
May69.6%20.8 min1,1211,123
Jun67.0%21.8 min1,0961,101
Jul65.0%25.1 min1,0891,138
Aug77.2%8.6 min530532
Sep62.6%31.2 min510513
Oct68.5%23.9 min1,0081,019
Nov80.0%12.5 min901904
Dec74.2%12.8 min815825

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 71.2% 7,362
  • Delayed >15 min 27.2% 2,818
  • Cancelled 1.6% 166
  • 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

110
110 of 110
Flight numbersBy direction DeparturesOn time
B661007 BOS → BNA 330 78.0%
B661006 BNA → BOS 327 73.4%
B66507 BOS → BNA 321 59.7%
B66506 BNA → BOS 320 61.6%
B661806 BNA → BOS 300 65.8%
B661807 BOS → BNA 297 83.2%
YX5599 BOS → BNA 277 69.5%
YX5610 BNA → BOS 276 89.9%
B66806 BNA → BOS 207 90.2%
DL1724 BNA → BOS 195 60.0%
DL1724 BOS → BNA 195 64.6%
DL1630 BNA → BOS 186 72.3%
DL1630 BOS → BNA 178 80.1%
B66907 BOS → BNA 122 66.7%
WN100 BOS → BNA 118 97.4%
DL2708 BNA → BOS 113 81.3%
WN1828 BNA → BOS 110 87.2%
WN2141 BOS → BNA 110 81.5%
WN2456 BNA → BOS 110 75.2%
YX5617 BNA → BOS 101 95.1%
YX5686 BOS → BNA 98 59.6%
YX5778 BOS → BNA 98 78.9%
YX5683 BNA → BOS 97 85.6%
B66306 BNA → BOS 96 91.5%
B66307 BOS → BNA 96 73.4%
DL2677 BOS → BNA 95 78.7%
DL2708 BOS → BNA 95 81.9%
DL2677 BNA → BOS 94 66.3%
YX5796 BOS → BNA 92 77.8%
DL2141 BNA → BOS 88 74.7%
DL2509 BNA → BOS 86 89.3%
DL2586 BOS → BNA 85 57.3%
YX5605 BOS → BNA 80 90.0%
B66449 BOS → BNA 77 64.9%
B661150 BNA → BOS 76 61.3%
YX5778 BNA → BOS 74 71.4%
DL1094 BOS → BNA 63 96.8%
YX5796 BNA → BOS 63 76.3%
WN1408 BOS → BNA 61 62.3%
WN1148 BOS → BNA 60 98.3%
WN942 BNA → BOS 60 47.5%
WN949 BNA → BOS 60 81.7%
WN952 BNA → BOS 60 60.0%
DL2141 BOS → BNA 58 80.4%
WN1498 BOS → BNA 58 92.5%
WN1860 BNA → BOS 58 84.5%
WN265 BOS → BNA 58 86.2%
WN2821 BOS → BNA 58 89.7%
WN3722 BOS → BNA 58 62.1%
WN459 BNA → BOS 58 37.9%
WN493 BNA → BOS 58 41.4%
WN541 BNA → BOS 58 74.1%
WN686 BOS → BNA 58 61.8%
WN872 BOS → BNA 58 29.3%
WN933 BNA → BOS 58 31.0%
WN937 BNA → BOS 58 45.6%
WN1249 BOS → BNA 57 96.5%
WN2338 BOS → BNA 57 31.6%
WN3519 BNA → BOS 57 66.7%
WN4372 BNA → BOS 57 31.6%
WN724 BOS → BNA 57 91.2%
B661306 BNA → BOS 53 32.7%
B661307 BOS → BNA 53 88.7%
YX5849 BOS → BNA 53 86.5%
YX5607 BNA → BOS 51 70.6%
B661207 BOS → BNA 50 93.8%
WN1103 BOS → BNA 50 74.0%
WN3908 BOS → BNA 50 94.0%
WN4560 BNA → BOS 50 84.0%
WN559 BOS → BNA 50 66.0%
WN725 BOS → BNA 50 42.9%
NK828 BNA → BOS 48 75.0%
WN1373 BNA → BOS 47 69.8%
YX5849 BNA → BOS 46 79.6%
WN2982 BNA → BOS 43 35.7%
WN2283 BOS → BNA 42 50.0%
WN2973 BNA → BOS 42 61.9%
WN866 BNA → BOS 42 95.2%
WN2530 BNA → BOS 40 67.5%
WN1004 BOS → BNA 39 69.2%
WN2359 BNA → BOS 39 82.1%
B662007 BOS → BNA 37 67.6%
B662006 BNA → BOS 36 100.0%
NK2237 BNA → BOS 36 91.7%
NK2238 BOS → BNA 36 69.4%
WN1209 BOS → BNA 36 91.7%
WN4285 BOS → BNA 36 50.0%
YX5607 BOS → BNA 36 72.2%
YX5611 BNA → BOS 36 88.9%
YX5611 BOS → BNA 36 97.2%
WN2509 BNA → BOS 35 54.3%
WN3239 BNA → BOS 35 50.0%
YX5786 BOS → BNA 34 73.5%
B66807 BOS → BNA 33 51.5%
WN1243 BOS → BNA 33 34.4%
WN1393 BNA → BOS 33 72.7%
WN183 BOS → BNA 33 84.9%
WN1913 BNA → BOS 33 51.5%
WN3050 BOS → BNA 33 93.9%
WN4470 BNA → BOS 33 56.3%
WN713 BNA → BOS 33 34.4%
DL1620 BNA → BOS 32 87.5%
WN384 BOS → BNA 32 37.5%
DL1020 BOS → BNA 31 80.7%
DL1575 BNA → BOS 31 93.6%
WN1589 BOS → BNA 31 32.3%
WN3393 BOS → BNA 31 87.1%
WN998 BNA → BOS 31 25.8%
YX5776 BNA → BOS 31 64.5%
DL1521 BOS → BNA 30 56.7%

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 529 −5.5% 29 63.5%
June 2026 535 −4.6% 2 67.3%
May 2026 537 −8.0% 2 66.9%
April 2026 477 −3.8% 0 71.9%
March 2026 459 −1.5% 9 70.8%
February 2026 329 +28.5% 24 73.9%
January 2026 334 +14.0% 31 76.6%
December 2025 399 −4.1% 6 68.7%
November 2025 459 +3.8% 3 73.9%
October 2025 649 +80.8% 11 61.3%
September 2025 510 3 62.5%
August 2025 530 2 77.2%
July 2025 560 20 66.4%
June 2025 561 3 66.7%
May 2025 584 0 72.1%
April 2025 496 1 81.7%
March 2025 466 1 79.4%
February 2025 256 3 81.3%
January 2025 293 12 84.0%
December 2024 416 4 79.6%
November 2024 442 0 86.4%
October 2024 359 0 81.3%

How to read this chart

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