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3,915 km · Domestic

Baltimore/Washington International Thurgood Marshall (BWI) – Mineta San Jose (SJC)

In July 2026, 61 flights operated between Baltimore/Washington International Thurgood Marshall and Mineta San Jose (both directions), and 65.6% 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 periods11 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January–––
February–––
March–54–
April–60–
May–62–
June5260▲ 15.4%
July6261▼ 1.6%
August61––
September60––
October62–in progress
November2––
December–––

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods11 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January–––
February–––
March–75.9%–
April–70.0%–
May–69.4%–
June73.1%50.0%▼ 31.6%
July66.1%65.6%▼ 0.8%
August83.6%––
September85.0%––
October72.6%–in progress
November100.0%––
December–––

Cancelled flights by month

The most recent periods11 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January–––
February–––
March–0–
April–0–
May–0–
June00–
July01–
August1––
September0––
October0–in progress
November0––
December–––

By direction

BWI → SJC

Scheduled flights
299
Flights operated
298
Cancelled
1 · 0.3%
On-time departures
63.1%

SJC → BWI

Scheduled flights
299
Flights operated
298
Cancelled
1 · 0.3%
On-time departures
79.2%

BWI → SJC and SJC → BWI counted separately.

Airlines on this route

Jun 1, 2025 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Southwest Airlines WN 598 100.0% 71.1% 2

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 · Jun 5, 2025 → Jul 31, 2026

Recorded flights598BWI–SJC

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 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 09:00 · 65 · 65 recorded · 64 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 12:00 · 35 · 35 recorded · 35 measured · Source: the US BTS 13:00 · 37 · 37 recorded · 37 measured · Source: the US BTS 14:00 · 61 · 61 recorded · 61 measured · Source: the US BTS 15:00 · 29 · 29 recorded · 29 measured · Source: the US BTS 16:00 · 6 · 6 recorded · 6 measured · Source: the US BTS 17:00 · 25 · 25 recorded · 25 measured · Source: the US BTS 18:00 · 21 · 21 recorded · 21 measured · Source: the US BTS 19:00 · 16 · 16 recorded · 16 measured · Source: the US BTS 20:00 · 154 · 154 recorded · 153 measured · Source: the US BTS 21:00 · 149 · 149 recorded · 149 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 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———
06:00No observations———
07:00No observations———
08:00No observations———
09:00Fewer than 200 measured departures—6465
10:00No observations———
11:00No observations———
12:00Fewer than 200 measured departures—3535
13:00Fewer than 200 measured departures—3737
14:00Fewer than 200 measured departures—6161
15:00Fewer than 200 measured departures—2929
16:00Fewer than 200 measured departures—66
17:00Fewer than 200 measured departures—2525
18:00Fewer than 200 measured departures—2121
19:00Fewer than 200 measured departures—1616
20:00Fewer than 200 measured departures—153154
21:00Fewer than 200 measured departures—149149
22:00No observations———
23:00No observations———

Day of week

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 84 · 84 recorded · 84 measured · Source: the US BTS Tuesday · 84 · 84 recorded · 83 measured · Source: the US BTS Wednesday · 84 · 84 recorded · 84 measured · Source: the US BTS Thursday · 88 · 88 recorded · 88 measured · Source: the US BTS Friday · 88 · 88 recorded · 88 measured · Source: the US BTS Saturday · 86 · 86 recorded · 86 measured · Source: the US BTS Sunday · 84 · 84 recorded · 83 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—8484
TuesdayFewer than 200 measured departures—8384
WednesdayFewer than 200 measured departures—8484
ThursdayFewer than 200 measured departures—8888
FridayFewer than 200 measured departures—8888
SaturdayFewer than 200 measured departures—8686
SundayFewer than 200 measured departures—8384

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 · No observations · 0 recorded · 0 measured · Source: the US BTS Feb · No observations · 0 recorded · 0 measured · Source: the US BTS Mar · 54 · 54 recorded · 54 measured · Source: the US BTS Apr · 60 · 60 recorded · 60 measured · Source: the US BTS May · 62 · 62 recorded · 62 measured · Source: the US BTS Jun · 112 · 112 recorded · 112 measured · Source: the US BTS Jul · 124 · 124 recorded · 123 measured · Source: the US BTS Aug · 62 · 62 recorded · 61 measured · Source: the US BTS Sep · 60 · 60 recorded · 60 measured · Source: the US BTS Oct · 62 · 62 recorded · 62 measured · Source: the US BTS Nov · 2 · 2 recorded · 2 measured · Source: the US BTS Dec · 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
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanNo observations———
FebNo observations———
MarFewer than 200 measured departures—5454
AprFewer than 200 measured departures—6060
MayFewer than 200 measured departures—6262
JunFewer than 200 measured departures—112112
JulFewer than 200 measured departures—123124
AugFewer than 200 measured departures—6162
SepFewer than 200 measured departures—6060
OctFewer than 200 measured departures—6262
NovFewer than 200 measured departures—22
DecNo observations———

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 70.9% 424
  • Delayed >15 min 28.8% 172
  • Cancelled 0.3% 2
  • 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

10
10 of 10
Flight numbersBy direction DeparturesOn time
WN4488 SJC → BWI 61 85.3%
WN4231 SJC → BWI 58 79.3%
WN621 SJC → BWI 58 60.3%
WN754 SJC → BWI 58 91.2%
WN3534 BWI → SJC 57 77.2%
WN1310 BWI → SJC 51 58.8%
WN186 BWI → SJC 42 56.1%
WN4438 SJC → BWI 32 75.0%
WN1096 BWI → SJC 31 64.5%
WN2435 SJC → BWI 31 83.9%

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 61 −1.6% 1 65.6%
June 2026 60 +15.4% 0 50.0%
May 2026 62 0 69.4%
April 2026 60 0 70.0%
March 2026 54 0 75.9%
November 2025 2 0 100.0%
October 2025 62 0 72.6%
September 2025 60 0 85.0%
August 2025 61 1 83.6%
July 2025 62 0 66.1%
June 2025 52 0 73.1%

How to read this chart

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