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3,353 km · Domestic

Louis Armstrong New Orleans (MSY) – Seattle–Tacoma (SEA)

In July 2026, 122 flights operated between Louis Armstrong New Orleans and Seattle–Tacoma (both directions), and 68.0% 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
January11472▼ 36.8%
February8764▼ 26.4%
March9387▼ 6.5%
April1201200.0%
May1241240.0%
June118119▲ 0.8%
July1221220.0%
August114––
September93––
October106–in progress
November117––
December108––
Year to date (Jan–Jul)778708▼ 9.0%

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
January80.7%66.7%▼ 17.3%
February78.2%85.9%▲ 9.8%
March86.0%65.5%▼ 23.8%
April77.5%84.2%▲ 8.6%
May80.6%75.0%▼ 6.9%
June61.9%73.9%▲ 19.4%
July63.9%68.0%▲ 6.4%
August67.5%––
September84.9%––
October77.4%–in progress
November76.1%––
December66.7%––
Year-to-date average (Jan–Jul)75.5%74.2%▼ 1.8%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January100▼ 100.0%
February00–
March02–
April00–
May00–
June21▼ 50.0%
July00–
August0––
September2––
October1–in progress
November1––
December0––
Year to date (Jan–Jul)123▼ 75.0%

Airlines on this route

  1. Alaska Airlines 99.0%
  2. Delta Air Lines 1.0%

Oct 1, 2024 – Jul 31, 2026

By direction

MSY → SEA

Scheduled flights
1,167
Flights operated
1,156
Cancelled
11 · 0.9%
On-time departures
74.8%

SEA → MSY

Scheduled flights
1,168
Flights operated
1,160
Cancelled
8 · 0.7%
On-time departures
75.9%

MSY → SEA and SEA → MSY counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Alaska Airlines AS 2,311 99.0% 75.3% 19
Delta Air Lines DL 24 1.0% 87.5% 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 delay10:00–11:007.8min · 308 recorded · 304 measured
Gap to highest-delay hour7.7min10:00 ↔ 17:00
Recorded flights2,335MSY–SEA

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 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · 77.5% · 542 recorded · 538 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 2 recorded · 2 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 196 recorded · 196 measured · Source: the US BTS 10:00 · 79.3% · 308 recorded · 304 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 161 recorded · 161 measured · Source: the US BTS 12:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 13:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 63 recorded · 61 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 139 recorded · 139 measured · Source: the US BTS 17:00 · 71.9% · 263 recorded · 256 measured · Source: the US BTS 18:00 · 75.2% · 235 recorded · 234 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 21 recorded · 21 measured · Source: the US BTS 23:00 · 76.2% · 405 recorded · 404 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 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · 11.8 min · 542 recorded · 538 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 2 recorded · 2 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 196 recorded · 196 measured · Source: the US BTS 10:00 · 7.8 min · 308 recorded · 304 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 161 recorded · 161 measured · Source: the US BTS 12:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 13:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 63 recorded · 61 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 139 recorded · 139 measured · Source: the US BTS 17:00 · 15.5 min · 263 recorded · 256 measured · Source: the US BTS 18:00 · 9.5 min · 235 recorded · 234 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 21 recorded · 21 measured · Source: the US BTS 23:00 · 8.8 min · 405 recorded · 404 measured · Source: the US BTS

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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 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · 542 · 542 recorded · 538 measured · Source: the US BTS 08:00 · 2 · 2 recorded · 2 measured · Source: the US BTS 09:00 · 196 · 196 recorded · 196 measured · Source: the US BTS 10:00 · 308 · 308 recorded · 304 measured · Source: the US BTS 11:00 · 161 · 161 recorded · 161 measured · Source: the US BTS 12:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 13:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · 63 · 63 recorded · 61 measured · Source: the US BTS 16:00 · 139 · 139 recorded · 139 measured · Source: the US BTS 17:00 · 263 · 263 recorded · 256 measured · Source: the US BTS 18:00 · 235 · 235 recorded · 234 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · 21 · 21 recorded · 21 measured · Source: the US BTS 23:00 · 405 · 405 recorded · 404 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———
05:00No observations———
06:00No observations———
07:0077.5%11.8 min538542
08:00Fewer than 200 measured departures—22
09:00Fewer than 200 measured departures—196196
10:0079.3%7.8 min304308
11:00Fewer than 200 measured departures—161161
12:00No observations———
13:00No observations———
14:00No observations———
15:00Fewer than 200 measured departures—6163
16:00Fewer than 200 measured departures—139139
17:0071.9%15.5 min256263
18:0075.2%9.5 min234235
19:00No observations———
20:00No observations———
21:00No observations———
22:00Fewer than 200 measured departures—2121
23:0076.2%8.8 min404405

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 71.1% · 347 recorded · 346 measured · Source: the US BTS Tuesday · 81.3% · 310 recorded · 305 measured · Source: the US BTS Wednesday · 80.3% · 325 recorded · 320 measured · Source: the US BTS Thursday · 71.8% · 342 recorded · 340 measured · Source: the US BTS Friday · 73.3% · 348 recorded · 344 measured · Source: the US BTS Saturday · 74.9% · 313 recorded · 311 measured · Source: the US BTS Sunday · 76.0% · 350 recorded · 350 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 · 15.8 min · 347 recorded · 346 measured · Source: the US BTS Tuesday · 7.1 min · 310 recorded · 305 measured · Source: the US BTS Wednesday · 9.0 min · 325 recorded · 320 measured · Source: the US BTS Thursday · 14.9 min · 342 recorded · 340 measured · Source: the US BTS Friday · 10.0 min · 348 recorded · 344 measured · Source: the US BTS Saturday · 9.6 min · 313 recorded · 311 measured · Source: the US BTS Sunday · 9.9 min · 350 recorded · 350 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 · 347 · 347 recorded · 346 measured · Source: the US BTS Tuesday · 310 · 310 recorded · 305 measured · Source: the US BTS Wednesday · 325 · 325 recorded · 320 measured · Source: the US BTS Thursday · 342 · 342 recorded · 340 measured · Source: the US BTS Friday · 348 · 348 recorded · 344 measured · Source: the US BTS Saturday · 313 · 313 recorded · 311 measured · Source: the US BTS Sunday · 350 · 350 recorded · 350 measured · Source: the US BTS

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View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday71.1%15.8 min346347
Tuesday81.3%7.1 min305310
Wednesday80.3%9.0 min320325
Thursday71.8%14.9 min340342
Friday73.3%10.0 min344348
Saturday74.9%9.6 min311313
Sunday76.0%9.9 min350350

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 · Fewer than 200 measured departures · 196 recorded · 186 measured · Source: the US BTS Feb · Fewer than 200 measured departures · 151 recorded · 151 measured · Source: the US BTS Mar · Fewer than 200 measured departures · 182 recorded · 180 measured · Source: the US BTS Apr · 80.8% · 240 recorded · 240 measured · Source: the US BTS May · 77.8% · 248 recorded · 248 measured · Source: the US BTS Jun · 67.9% · 240 recorded · 237 measured · Source: the US BTS Jul · 66.0% · 244 recorded · 244 measured · Source: the US BTS Aug · Fewer than 200 measured departures · 114 recorded · 114 measured · Source: the US BTS Sep · Fewer than 200 measured departures · 95 recorded · 93 measured · Source: the US BTS Oct · Fewer than 200 measured departures · 177 recorded · 176 measured · Source: the US BTS Nov · 80.8% · 230 recorded · 229 measured · Source: the US BTS Dec · 70.2% · 218 recorded · 218 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 · Fewer than 200 measured departures · 196 recorded · 186 measured · Source: the US BTS Feb · Fewer than 200 measured departures · 151 recorded · 151 measured · Source: the US BTS Mar · Fewer than 200 measured departures · 182 recorded · 180 measured · Source: the US BTS Apr · 7.1 min · 240 recorded · 240 measured · Source: the US BTS May · 11.8 min · 248 recorded · 248 measured · Source: the US BTS Jun · 18.7 min · 240 recorded · 237 measured · Source: the US BTS Jul · 18.6 min · 244 recorded · 244 measured · Source: the US BTS Aug · Fewer than 200 measured departures · 114 recorded · 114 measured · Source: the US BTS Sep · Fewer than 200 measured departures · 95 recorded · 93 measured · Source: the US BTS Oct · Fewer than 200 measured departures · 177 recorded · 176 measured · Source: the US BTS Nov · 5.1 min · 230 recorded · 229 measured · Source: the US BTS Dec · 10.3 min · 218 recorded · 218 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 · 196 · 196 recorded · 186 measured · Source: the US BTS Feb · 151 · 151 recorded · 151 measured · Source: the US BTS Mar · 182 · 182 recorded · 180 measured · Source: the US BTS Apr · 240 · 240 recorded · 240 measured · Source: the US BTS May · 248 · 248 recorded · 248 measured · Source: the US BTS Jun · 240 · 240 recorded · 237 measured · Source: the US BTS Jul · 244 · 244 recorded · 244 measured · Source: the US BTS Aug · 114 · 114 recorded · 114 measured · Source: the US BTS Sep · 95 · 95 recorded · 93 measured · Source: the US BTS Oct · 177 · 177 recorded · 176 measured · Source: the US BTS Nov · 230 · 230 recorded · 229 measured · Source: the US BTS Dec · 218 · 218 recorded · 218 measured · Source: the US BTS

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View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanFewer than 200 measured departures—186196
FebFewer than 200 measured departures—151151
MarFewer than 200 measured departures—180182
Apr80.8%7.1 min240240
May77.8%11.8 min248248
Jun67.9%18.7 min237240
Jul66.0%18.6 min244244
AugFewer than 200 measured departures—114114
SepFewer than 200 measured departures—9395
OctFewer than 200 measured departures—176177
Nov80.8%5.1 min229230
Dec70.2%10.3 min218218

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 74.8% 1,746
  • Delayed >15 min 24.4% 570
  • Cancelled 0.8% 19
  • 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

4
Flight numbersBy direction DeparturesOn time
AS568 SEA → MSY 630 73.6%
AS569 MSY → SEA 582 72.9%
AS451 MSY → SEA 571 76.9%
AS490 SEA → MSY 476 78.0%

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 122 +0.0% 0 68.0%
June 2026 119 +0.8% 1 73.9%
May 2026 124 +0.0% 0 75.0%
April 2026 120 +0.0% 0 84.2%
March 2026 87 −6.5% 2 65.5%
February 2026 64 −26.4% 0 85.9%
January 2026 72 −36.8% 0 66.7%
December 2025 108 −1.8% 0 66.7%
November 2025 117 +4.5% 1 76.1%
October 2025 106 +51.4% 1 77.4%
September 2025 93 2 84.9%
August 2025 114 0 67.5%
July 2025 122 0 63.9%
June 2025 118 2 61.9%
May 2025 124 0 80.6%
April 2025 120 0 77.5%
March 2025 93 0 86.0%
February 2025 87 0 78.2%
January 2025 114 10 80.7%
December 2024 110 0 73.6%
November 2024 112 0 85.7%
October 2024 70 0 87.1%

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