794 km · Domestic

Louis Armstrong New Orleans (MSY) – San Antonio (SAT)

In July 2026, 54 flights operated between Louis Armstrong New Orleans and San Antonio (both directions), and 55.6% left on time, according to the US BTS.

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
January6760▼ 10.4%
February10570▼ 33.3%
March9264▼ 30.4%
April6960▼ 13.0%
May7060▼ 14.3%
June6252▼ 16.1%
July6254▼ 12.9%
August46––
September42––
October60–in progress
November60––
December62––
Year to date (Jan–Jul)527420▼ 20.3%

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
January79.1%85.0%▲ 7.5%
February86.7%80.0%▼ 7.7%
March84.8%70.3%▼ 17.1%
April85.5%83.3%▼ 2.6%
May85.7%85.0%▼ 0.8%
June66.1%63.5%▼ 3.9%
July71.0%55.6%▼ 21.7%
August65.2%––
September81.0%––
October78.3%–in progress
November85.0%––
December69.4%––
Year-to-date average (Jan–Jul)79.8%74.7%▼ 6.5%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January52▼ 60.0%
February00–
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)52▼ 60.0%

Airlines on this route

  1. Southwest Airlines 97.3%
  2. Spirit Airlines 2.7%

Oct 1, 2024 – Jul 31, 2026

By direction

MSY → SAT

Scheduled flights
698
Flights operated
694
Cancelled
4 · 0.6%
On-time departures
71.9%

SAT → MSY

Scheduled flights
697
Flights operated
694
Cancelled
3 · 0.4%
On-time departures
84.6%

MSY → SAT and SAT → MSY counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Southwest Airlines WN 1,358 97.3% 78.2% 7
Spirit Airlines NK 37 2.7% 81.1% 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 delay12:00–13:003.0min · 211 recorded · 209 measured
Gap to highest-delay hour10.8min12:00 ↔ 14:00
Recorded flights1,395MSY–SAT

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 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: the US BTS 06:00 · Fewer than 200 measured departures · 13 recorded · 13 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 14 recorded · 14 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 28 recorded · 27 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 57 recorded · 57 measured · Source: the US BTS 10:00 · Fewer than 200 measured departures · 65 recorded · 65 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 125 recorded · 125 measured · Source: the US BTS 12:00 · 88.5% · 211 recorded · 209 measured · Source: the US BTS 13:00 · 76.3% · 320 recorded · 317 measured · Source: the US BTS 14:00 · 71.9% · 203 recorded · 203 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 138 recorded · 138 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 93 recorded · 92 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 84 recorded · 84 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 18 recorded · 18 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 4 recorded · 4 measured · Source: the US BTS 20:00 · Fewer than 200 measured departures · 6 recorded · 6 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 13 recorded · 13 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 2 recorded · 2 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 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: the US BTS 06:00 · Fewer than 200 measured departures · 13 recorded · 13 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 14 recorded · 14 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 28 recorded · 27 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 57 recorded · 57 measured · Source: the US BTS 10:00 · Fewer than 200 measured departures · 65 recorded · 65 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 125 recorded · 125 measured · Source: the US BTS 12:00 · 3.0 min · 211 recorded · 209 measured · Source: the US BTS 13:00 · 9.8 min · 320 recorded · 317 measured · Source: the US BTS 14:00 · 13.8 min · 203 recorded · 203 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 138 recorded · 138 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 93 recorded · 92 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 84 recorded · 84 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 18 recorded · 18 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 4 recorded · 4 measured · Source: the US BTS 20:00 · Fewer than 200 measured departures · 6 recorded · 6 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 13 recorded · 13 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 2 recorded · 2 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 · 1 · 1 recorded · 1 measured · Source: the US BTS 06:00 · 13 · 13 recorded · 13 measured · Source: the US BTS 07:00 · 14 · 14 recorded · 14 measured · Source: the US BTS 08:00 · 28 · 28 recorded · 27 measured · Source: the US BTS 09:00 · 57 · 57 recorded · 57 measured · Source: the US BTS 10:00 · 65 · 65 recorded · 65 measured · Source: the US BTS 11:00 · 125 · 125 recorded · 125 measured · Source: the US BTS 12:00 · 211 · 211 recorded · 209 measured · Source: the US BTS 13:00 · 320 · 320 recorded · 317 measured · Source: the US BTS 14:00 · 203 · 203 recorded · 203 measured · Source: the US BTS 15:00 · 138 · 138 recorded · 138 measured · Source: the US BTS 16:00 · 93 · 93 recorded · 92 measured · Source: the US BTS 17:00 · 84 · 84 recorded · 84 measured · Source: the US BTS 18:00 · 18 · 18 recorded · 18 measured · Source: the US BTS 19:00 · 4 · 4 recorded · 4 measured · Source: the US BTS 20:00 · 6 · 6 recorded · 6 measured · Source: the US BTS 21:00 · 13 · 13 recorded · 13 measured · Source: the US BTS 22:00 · 2 · 2 recorded · 2 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.

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———
05:00Fewer than 200 measured departures—11
06:00Fewer than 200 measured departures—1313
07:00Fewer than 200 measured departures—1414
08:00Fewer than 200 measured departures—2728
09:00Fewer than 200 measured departures—5757
10:00Fewer than 200 measured departures—6565
11:00Fewer than 200 measured departures—125125
12:0088.5%3.0 min209211
13:0076.3%9.8 min317320
14:0071.9%13.8 min203203
15:00Fewer than 200 measured departures—138138
16:00Fewer than 200 measured departures—9293
17:00Fewer than 200 measured departures—8484
18:00Fewer than 200 measured departures—1818
19:00Fewer than 200 measured departures—44
20:00Fewer than 200 measured departures—66
21:00Fewer than 200 measured departures—1313
22:00Fewer than 200 measured departures—22
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 76.6% · 205 recorded · 205 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 179 recorded · 177 measured · Source: the US BTS Wednesday · Fewer than 200 measured departures · 172 recorded · 170 measured · Source: the US BTS Thursday · 72.1% · 209 recorded · 208 measured · Source: the US BTS Friday · 75.2% · 211 recorded · 210 measured · Source: the US BTS Saturday · Fewer than 200 measured departures · 151 recorded · 151 measured · Source: the US BTS Sunday · 77.5% · 268 recorded · 267 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 · 10.1 min · 205 recorded · 205 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 179 recorded · 177 measured · Source: the US BTS Wednesday · Fewer than 200 measured departures · 172 recorded · 170 measured · Source: the US BTS Thursday · 10.6 min · 209 recorded · 208 measured · Source: the US BTS Friday · 15.0 min · 211 recorded · 210 measured · Source: the US BTS Saturday · Fewer than 200 measured departures · 151 recorded · 151 measured · Source: the US BTS Sunday · 8.6 min · 268 recorded · 267 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 · 205 · 205 recorded · 205 measured · Source: the US BTS Tuesday · 179 · 179 recorded · 177 measured · Source: the US BTS Wednesday · 172 · 172 recorded · 170 measured · Source: the US BTS Thursday · 209 · 209 recorded · 208 measured · Source: the US BTS Friday · 211 · 211 recorded · 210 measured · Source: the US BTS Saturday · 151 · 151 recorded · 151 measured · Source: the US BTS Sunday · 268 · 268 recorded · 267 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
Monday76.6%10.1 min205205
TuesdayFewer than 200 measured departures—177179
WednesdayFewer than 200 measured departures—170172
Thursday72.1%10.6 min208209
Friday75.2%15.0 min210211
SaturdayFewer than 200 measured departures—151151
Sunday77.5%8.6 min267268

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 · 134 · 134 recorded · 127 measured · Source: the US BTS Feb · 175 · 175 recorded · 175 measured · Source: the US BTS Mar · 156 · 156 recorded · 156 measured · Source: the US BTS Apr · 129 · 129 recorded · 129 measured · Source: the US BTS May · 130 · 130 recorded · 130 measured · Source: the US BTS Jun · 114 · 114 recorded · 114 measured · Source: the US BTS Jul · 116 · 116 recorded · 116 measured · Source: the US BTS Aug · 46 · 46 recorded · 46 measured · Source: the US BTS Sep · 42 · 42 recorded · 42 measured · Source: the US BTS Oct · 107 · 107 recorded · 107 measured · Source: the US BTS Nov · 120 · 120 recorded · 120 measured · Source: the US BTS Dec · 126 · 126 recorded · 126 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—127134
FebFewer than 200 measured departures—175175
MarFewer than 200 measured departures—156156
AprFewer than 200 measured departures—129129
MayFewer than 200 measured departures—130130
JunFewer than 200 measured departures—114114
JulFewer than 200 measured departures—116116
AugFewer than 200 measured departures—4646
SepFewer than 200 measured departures—4242
OctFewer than 200 measured departures—107107
NovFewer than 200 measured departures—120120
DecFewer than 200 measured departures—126126

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 77.8% 1,086
  • Delayed >15 min 21.6% 302
  • Cancelled 0.5% 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

15
15 of 15
Flight numbersBy direction DeparturesOn time
WN1987 SAT → MSY 70 92.9%
WN1816 SAT → MSY 58 93.1%
WN3098 MSY → SAT 57 84.2%
WN1247 MSY → SAT 55 70.4%
WN4169 SAT → MSY 49 98.0%
WN3307 MSY → SAT 46 84.8%
WN4253 MSY → SAT 46 93.5%
WN1396 SAT → MSY 45 86.7%
WN3514 MSY → SAT 42 81.0%
WN2560 SAT → MSY 40 85.0%
WN3991 SAT → MSY 36 94.4%
WN3405 SAT → MSY 34 82.4%
WN4951 MSY → SAT 34 29.4%
WN997 SAT → MSY 33 84.9%
WN3377 MSY → SAT 31 82.1%

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 54 −12.9% 0 55.6%
June 2026 52 −16.1% 0 63.5%
May 2026 60 −14.3% 0 85.0%
April 2026 60 −13.0% 0 83.3%
March 2026 64 −30.4% 0 70.3%
February 2026 70 −33.3% 0 80.0%
January 2026 60 −10.4% 2 85.0%
December 2025 62 −3.1% 0 69.4%
November 2025 60 +0.0% 0 85.0%
October 2025 60 +27.7% 0 78.3%
September 2025 42 0 81.0%
August 2025 46 0 65.2%
July 2025 62 0 71.0%
June 2025 62 0 66.1%
May 2025 70 0 85.7%
April 2025 69 0 85.5%
March 2025 92 0 84.8%
February 2025 105 0 86.7%
January 2025 67 5 79.1%
December 2024 64 0 73.4%
November 2024 60 0 86.7%
October 2024 47 0 85.1%

How to read this chart

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