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138 km · Domestic

San Francisco (SFO) – Sacramento (SMF)

In July 2026, 184 flights operated between San Francisco and Sacramento (both directions), and 63.0% 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
January184225▲ 22.3%
February184222▲ 20.7%
March189227▲ 20.1%
April2362360.0%
May230221▼ 3.9%
June222180▼ 18.9%
July226184▼ 18.6%
August226––
September237––
October289–in progress
November212––
December207––
Year to date (Jan–Jul)1,4711,495▲ 1.6%

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
January89.1%75.6%▼ 15.2%
February83.7%69.8%▼ 16.6%
March78.8%84.6%▲ 7.4%
April94.9%74.6%▼ 21.4%
May89.6%61.5%▼ 31.4%
June86.5%65.6%▼ 24.2%
July84.1%63.0%▼ 25.1%
August84.1%––
September82.3%––
October84.8%–in progress
November75.5%––
December77.3%––
Year-to-date average (Jan–Jul)86.7%70.7%▼ 18.5%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January010–
February122▼ 83.3%
March00–
April02–
May03–
June00–
July20▼ 100.0%
August0––
September0––
October0–in progress
November24––
December4––
Year to date (Jan–Jul)1417▲ 21.4%

Airlines on this route

  1. SkyWest Airlines 96.0%
  2. United Airlines 4.0%

Oct 1, 2024 – Jul 31, 2026

By direction

SFO → SMF

Scheduled flights
2,387
Flights operated
2,350
Cancelled
37 · 1.6%
On-time departures
80.9%

SMF → SFO

Scheduled flights
2,388
Flights operated
2,351
Cancelled
37 · 1.5%
On-time departures
77.8%

SFO → SMF and SMF → SFO counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
SkyWest Airlines OO 4,586 96.0% 79.3% 74
United Airlines UA 189 4.0% 78.3% 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 delay06:00–07:002.0min · 496 recorded · 495 measured
Gap to highest-delay hour19.0min06:00 ↔ 14:00
Recorded flights4,775SFO–SMF

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 · 124 recorded · 123 measured · Source: the US BTS 06:00 · 93.9% · 496 recorded · 495 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 55 recorded · 55 measured · Source: the US BTS 08:00 · 87.2% · 475 recorded · 467 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 136 recorded · 134 measured · Source: the US BTS 10:00 · 71.8% · 396 recorded · 387 measured · Source: the US BTS 11:00 · 79.9% · 252 recorded · 249 measured · Source: the US BTS 12:00 · 76.0% · 270 recorded · 267 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 90 recorded · 90 measured · Source: the US BTS 14:00 · 72.9% · 430 recorded · 428 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 109 recorded · 108 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 185 recorded · 180 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 77 recorded · 75 measured · Source: the US BTS 18:00 · 83.5% · 527 recorded · 510 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 71 recorded · 69 measured · Source: the US BTS 20:00 · 71.9% · 535 recorded · 520 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 131 recorded · 130 measured · Source: the US BTS 22:00 · 75.6% · 371 recorded · 369 measured · Source: the US BTS 23:00 · Fewer than 200 measured departures · 45 recorded · 45 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 · 124 recorded · 123 measured · Source: the US BTS 06:00 · 2.0 min · 496 recorded · 495 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 55 recorded · 55 measured · Source: the US BTS 08:00 · 5.7 min · 475 recorded · 467 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 136 recorded · 134 measured · Source: the US BTS 10:00 · 16.7 min · 396 recorded · 387 measured · Source: the US BTS 11:00 · 7.9 min · 252 recorded · 249 measured · Source: the US BTS 12:00 · 17.4 min · 270 recorded · 267 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 90 recorded · 90 measured · Source: the US BTS 14:00 · 20.9 min · 430 recorded · 428 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 109 recorded · 108 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 185 recorded · 180 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 77 recorded · 75 measured · Source: the US BTS 18:00 · 13.7 min · 527 recorded · 510 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 71 recorded · 69 measured · Source: the US BTS 20:00 · 18.5 min · 535 recorded · 520 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 131 recorded · 130 measured · Source: the US BTS 22:00 · 15.4 min · 371 recorded · 369 measured · Source: the US BTS 23:00 · Fewer than 200 measured departures · 45 recorded · 45 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 · 124 · 124 recorded · 123 measured · Source: the US BTS 06:00 · 496 · 496 recorded · 495 measured · Source: the US BTS 07:00 · 55 · 55 recorded · 55 measured · Source: the US BTS 08:00 · 475 · 475 recorded · 467 measured · Source: the US BTS 09:00 · 136 · 136 recorded · 134 measured · Source: the US BTS 10:00 · 396 · 396 recorded · 387 measured · Source: the US BTS 11:00 · 252 · 252 recorded · 249 measured · Source: the US BTS 12:00 · 270 · 270 recorded · 267 measured · Source: the US BTS 13:00 · 90 · 90 recorded · 90 measured · Source: the US BTS 14:00 · 430 · 430 recorded · 428 measured · Source: the US BTS 15:00 · 109 · 109 recorded · 108 measured · Source: the US BTS 16:00 · 185 · 185 recorded · 180 measured · Source: the US BTS 17:00 · 77 · 77 recorded · 75 measured · Source: the US BTS 18:00 · 527 · 527 recorded · 510 measured · Source: the US BTS 19:00 · 71 · 71 recorded · 69 measured · Source: the US BTS 20:00 · 535 · 535 recorded · 520 measured · Source: the US BTS 21:00 · 131 · 131 recorded · 130 measured · Source: the US BTS 22:00 · 371 · 371 recorded · 369 measured · Source: the US BTS 23:00 · 45 · 45 recorded · 45 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———
05:00Fewer than 200 measured departures—123124
06:0093.9%2.0 min495496
07:00Fewer than 200 measured departures—5555
08:0087.2%5.7 min467475
09:00Fewer than 200 measured departures—134136
10:0071.8%16.7 min387396
11:0079.9%7.9 min249252
12:0076.0%17.4 min267270
13:00Fewer than 200 measured departures—9090
14:0072.9%20.9 min428430
15:00Fewer than 200 measured departures—108109
16:00Fewer than 200 measured departures—180185
17:00Fewer than 200 measured departures—7577
18:0083.5%13.7 min510527
19:00Fewer than 200 measured departures—6971
20:0071.9%18.5 min520535
21:00Fewer than 200 measured departures—130131
22:0075.6%15.4 min369371
23:00Fewer than 200 measured departures—4545

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 72.9% · 706 recorded · 693 measured · Source: the US BTS Tuesday · 85.9% · 680 recorded · 674 measured · Source: the US BTS Wednesday · 78.6% · 695 recorded · 688 measured · Source: the US BTS Thursday · 79.3% · 693 recorded · 677 measured · Source: the US BTS Friday · 78.3% · 698 recorded · 682 measured · Source: the US BTS Saturday · 83.8% · 629 recorded · 622 measured · Source: the US BTS Sunday · 76.8% · 674 recorded · 665 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 · 19.5 min · 706 recorded · 693 measured · Source: the US BTS Tuesday · 6.2 min · 680 recorded · 674 measured · Source: the US BTS Wednesday · 14.0 min · 695 recorded · 688 measured · Source: the US BTS Thursday · 14.7 min · 693 recorded · 677 measured · Source: the US BTS Friday · 11.7 min · 698 recorded · 682 measured · Source: the US BTS Saturday · 11.5 min · 629 recorded · 622 measured · Source: the US BTS Sunday · 22.8 min · 674 recorded · 665 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 · 706 · 706 recorded · 693 measured · Source: the US BTS Tuesday · 680 · 680 recorded · 674 measured · Source: the US BTS Wednesday · 695 · 695 recorded · 688 measured · Source: the US BTS Thursday · 693 · 693 recorded · 677 measured · Source: the US BTS Friday · 698 · 698 recorded · 682 measured · Source: the US BTS Saturday · 629 · 629 recorded · 622 measured · Source: the US BTS Sunday · 674 · 674 recorded · 665 measured · Source: the US BTS

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View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday72.9%19.5 min693706
Tuesday85.9%6.2 min674680
Wednesday78.6%14.0 min688695
Thursday79.3%14.7 min677693
Friday78.3%11.7 min682698
Saturday83.8%11.5 min622629
Sunday76.8%22.8 min665674

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 · 81.7% · 419 recorded · 409 measured · Source: the US BTS Feb · 76.1% · 420 recorded · 406 measured · Source: the US BTS Mar · 82.0% · 416 recorded · 416 measured · Source: the US BTS Apr · 84.8% · 474 recorded · 472 measured · Source: the US BTS May · 75.8% · 454 recorded · 451 measured · Source: the US BTS Jun · 77.1% · 402 recorded · 402 measured · Source: the US BTS Jul · 74.6% · 412 recorded · 410 measured · Source: the US BTS Aug · 84.1% · 226 recorded · 226 measured · Source: the US BTS Sep · 82.3% · 237 recorded · 237 measured · Source: the US BTS Oct · 84.0% · 444 recorded · 444 measured · Source: the US BTS Nov · 75.5% · 473 recorded · 436 measured · Source: the US BTS Dec · 76.3% · 398 recorded · 392 measured · Source: the US BTS

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Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Jan · 15.9 min · 419 recorded · 409 measured · Source: the US BTS Feb · 23.5 min · 420 recorded · 406 measured · Source: the US BTS Mar · 12.3 min · 416 recorded · 416 measured · Source: the US BTS Apr · 6.1 min · 474 recorded · 472 measured · Source: the US BTS May · 14.3 min · 454 recorded · 451 measured · Source: the US BTS Jun · 10.9 min · 402 recorded · 402 measured · Source: the US BTS Jul · 16.7 min · 412 recorded · 410 measured · Source: the US BTS Aug · 10.8 min · 226 recorded · 226 measured · Source: the US BTS Sep · 9.2 min · 237 recorded · 237 measured · Source: the US BTS Oct · 9.7 min · 444 recorded · 444 measured · Source: the US BTS Nov · 20.8 min · 473 recorded · 436 measured · Source: the US BTS Dec · 20.0 min · 398 recorded · 392 measured · Source: the US BTS

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Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 419 · 419 recorded · 409 measured · Source: the US BTS Feb · 420 · 420 recorded · 406 measured · Source: the US BTS Mar · 416 · 416 recorded · 416 measured · Source: the US BTS Apr · 474 · 474 recorded · 472 measured · Source: the US BTS May · 454 · 454 recorded · 451 measured · Source: the US BTS Jun · 402 · 402 recorded · 402 measured · Source: the US BTS Jul · 412 · 412 recorded · 410 measured · Source: the US BTS Aug · 226 · 226 recorded · 226 measured · Source: the US BTS Sep · 237 · 237 recorded · 237 measured · Source: the US BTS Oct · 444 · 444 recorded · 444 measured · Source: the US BTS Nov · 473 · 473 recorded · 436 measured · Source: the US BTS Dec · 398 · 398 recorded · 392 measured · Source: the US BTS

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View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan81.7%15.9 min409419
Feb76.1%23.5 min406420
Mar82.0%12.3 min416416
Apr84.8%6.1 min472474
May75.8%14.3 min451454
Jun77.1%10.9 min402402
Jul74.6%16.7 min410412
Aug84.1%10.8 min226226
Sep82.3%9.2 min237237
Oct84.0%9.7 min444444
Nov75.5%20.8 min436473
Dec76.3%20.0 min392398

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 78.1% 3,728
  • Delayed >15 min 20.4% 973
  • Cancelled 1.5% 74
  • 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

26
26 of 26
Flight numbersBy direction DeparturesOn time
OO5248 SMF → SFO 611 74.3%
OO5460 SMF → SFO 526 93.7%
OO5220 SFO → SMF 524 85.4%
OO5796 SFO → SMF 494 79.9%
OO5566 SFO → SMF 457 83.9%
OO5961 SMF → SFO 421 59.0%
OO5997 SFO → SMF 254 79.1%
OO5840 SMF → SFO 210 72.7%
OO5655 SMF → SFO 165 85.6%
OO5682 SFO → SMF 124 79.2%
OO5803 SFO → SMF 108 74.5%
OO5683 SFO → SMF 83 79.5%
OO5323 SMF → SFO 76 56.0%
UA1954 SMF → SFO 71 94.4%
UA1302 SFO → SMF 61 45.9%
OO5788 SMF → SFO 56 78.6%
OO5896 SFO → SMF 53 77.4%
OO5435 SMF → SFO 52 70.6%
OO5638 SFO → SMF 48 76.1%
OO5278 SMF → SFO 37 88.2%
OO5453 SFO → SMF 37 97.1%
OO4683 SFO → SMF 31 80.7%
OO5290 SFO → SMF 31 64.5%
OO5318 SMF → SFO 31 83.9%
OO5518 SMF → SFO 31 80.7%
OO5531 SMF → SFO 30 93.3%

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 184 −18.6% 0 63.0%
June 2026 180 −18.9% 0 65.6%
May 2026 221 −3.9% 3 61.5%
April 2026 236 +0.0% 2 74.6%
March 2026 227 +20.1% 0 84.6%
February 2026 222 +20.7% 2 69.8%
January 2026 225 +22.3% 10 75.6%
December 2025 207 +11.9% 4 77.3%
November 2025 212 −5.4% 24 75.5%
October 2025 289 +86.5% 0 84.8%
September 2025 237 0 82.3%
August 2025 226 0 84.1%
July 2025 226 2 84.1%
June 2025 222 0 86.5%
May 2025 230 0 89.6%
April 2025 236 0 94.9%
March 2025 189 0 78.8%
February 2025 184 12 83.7%
January 2025 184 0 89.1%
December 2024 185 2 75.1%
November 2024 224 13 75.4%
October 2024 155 0 82.6%

How to read this chart

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