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3,655 km · Domestic

Ronald Reagan Washington National (DCA) – San Diego (SAN)

In July 2026, 62 flights operated between Ronald Reagan Washington National and San Diego (both directions), and 71.0% 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 periods17 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January–57–
February–56–
March2962▲ 113.8%
April60600.0%
May62620.0%
June60600.0%
July6162▲ 1.6%
August61––
September58––
October62–in progress
November56––
December62––

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods17 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January–64.9%–
February–48.2%–
March93.1%72.6%▼ 22.0%
April88.3%81.7%▼ 7.5%
May66.1%80.6%▲ 21.9%
June65.0%66.7%▲ 2.6%
July65.6%71.0%▲ 8.2%
August67.2%––
September63.8%––
October79.0%–in progress
November76.8%––
December71.0%––

Cancelled flights by month

The most recent periods17 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January–5–
February–0–
March00–
April00–
May00–
June00–
July10▼ 100.0%
August1––
September2––
October0–in progress
November2––
December0––

By direction

DCA → SAN

Scheduled flights
500
Flights operated
494
Cancelled
6 · 1.2%
On-time departures
74.3%

SAN → DCA

Scheduled flights
501
Flights operated
496
Cancelled
5 · 1.0%
On-time departures
68.3%

DCA → SAN and SAN → DCA counted separately.

Airlines on this route

Mar 1, 2025 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Alaska Airlines AS 1,001 100.0% 71.3% 11

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 · Mar 17, 2025 → Jul 31, 2026

Lowest average delay08:00–09:0016.7min · 369 recorded · 364 measured
Gap to highest-delay hour4.7min08:00 ↔ 12:00
Recorded flights1,001DCA–SAN

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 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · 72.0% · 369 recorded · 364 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 131 recorded · 130 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 · 66.0% · 312 recorded · 309 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 152 recorded · 150 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 36 recorded · 36 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 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 · 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.

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 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · 16.7 min · 369 recorded · 364 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 131 recorded · 130 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 · 21.4 min · 312 recorded · 309 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 152 recorded · 150 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 36 recorded · 36 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 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 · 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.

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 · 369 · 369 recorded · 364 measured · Source: the US BTS 09:00 · 131 · 131 recorded · 130 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 · 312 · 312 recorded · 309 measured · Source: the US BTS 13:00 · 152 · 152 recorded · 150 measured · Source: the US BTS 14:00 · 36 · 36 recorded · 36 measured · Source: the US BTS 15:00 · 1 · 1 recorded · 1 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 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 · 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.

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———
08:0072.0%16.7 min364369
09:00Fewer than 200 measured departures—130131
10:00No observations———
11:00No observations———
12:0066.0%21.4 min309312
13:00Fewer than 200 measured departures—150152
14:00Fewer than 200 measured departures—3636
15:00Fewer than 200 measured departures—11
16:00No observations———
17:00No observations———
18:00No observations———
19:00No observations———
20:00No observations———
21:00No observations———
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 · 143 · 143 recorded · 142 measured · Source: the US BTS Tuesday · 144 · 144 recorded · 144 measured · Source: the US BTS Wednesday · 144 · 144 recorded · 144 measured · Source: the US BTS Thursday · 142 · 142 recorded · 140 measured · Source: the US BTS Friday · 144 · 144 recorded · 139 measured · Source: the US BTS Saturday · 142 · 142 recorded · 141 measured · Source: the US BTS Sunday · 142 · 142 recorded · 140 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—142143
TuesdayFewer than 200 measured departures—144144
WednesdayFewer than 200 measured departures—144144
ThursdayFewer than 200 measured departures—140142
FridayFewer than 200 measured departures—139144
SaturdayFewer than 200 measured departures—141142
SundayFewer than 200 measured departures—140142

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 · 62 · 62 recorded · 57 measured · Source: the US BTS Feb · 56 · 56 recorded · 56 measured · Source: the US BTS Mar · 91 · 91 recorded · 91 measured · Source: the US BTS Apr · 120 · 120 recorded · 120 measured · Source: the US BTS May · 124 · 124 recorded · 124 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 · 62 · 62 recorded · 61 measured · Source: the US BTS Sep · 60 · 60 recorded · 58 measured · Source: the US BTS Oct · 62 · 62 recorded · 62 measured · Source: the US BTS Nov · 58 · 58 recorded · 56 measured · Source: the US BTS Dec · 62 · 62 recorded · 62 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—5762
FebFewer than 200 measured departures—5656
MarFewer than 200 measured departures—9191
AprFewer than 200 measured departures—120120
MayFewer than 200 measured departures—124124
JunFewer than 200 measured departures—120120
JulFewer than 200 measured departures—123124
AugFewer than 200 measured departures—6162
SepFewer than 200 measured departures—5860
OctFewer than 200 measured departures—6262
NovFewer than 200 measured departures—5658
DecFewer than 200 measured departures—6262

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 70.5% 706
  • Delayed >15 min 28.4% 284
  • Cancelled 1.1% 11
  • 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

2
Flight numbersBy direction DeparturesOn time
AS14 SAN → DCA 500 68.3%
AS15 DCA → SAN 500 74.3%

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 62 +1.6% 0 71.0%
June 2026 60 +0.0% 0 66.7%
May 2026 62 +0.0% 0 80.6%
April 2026 60 +0.0% 0 81.7%
March 2026 62 +113.8% 0 72.6%
February 2026 56 0 48.2%
January 2026 57 5 64.9%
December 2025 62 0 71.0%
November 2025 56 2 76.8%
October 2025 62 0 79.0%
September 2025 58 2 63.8%
August 2025 61 1 67.2%
July 2025 61 1 65.6%
June 2025 60 0 65.0%
May 2025 62 0 66.1%
April 2025 60 0 88.3%
March 2025 29 0 93.1%

How to read this chart

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