The flight time from Boston to San Francisco is 6 hours, 32 minutes. See Data as Tables

Average Timeline

Leaves BOS Boston, MA 1 minute early.
19 minutes taxiing out
6 hours, 2 minutes in the air
8 minutes taxiing in
Arrives SFO San Francisco, CA 2 minutes early.

Flight Reliability By Airline ?

United
81%
Delta
79%
JetBlue
74%
Virgin America
73%
Alaska
62%
Cancelled
Delayed*
Normal

Reverse Journey

San Francisco to Boston
5 hours, 31 minutes

Flight Time By Airline ?

United
6h 26m
Virgin America
6h 35m
JetBlue
6h 38m
Alaska
6h 38m
Delta
6h 40m
Taxiing Out
Air Time
Taxiing In

Flight Time by Time of Day ?

12AM06AM12PM06PM3h6h
Taxiing Out
Air Time
Taxiing In

Flights By Time of Day ?
(Average)

12AM06AM12PM06PM0123

Flights Per Week

97

Distance

2704 Miles

Flights By Month ?

JFMAMJJASOND0100200300400500

Flights By Day of Week ?
(Average)

MonTueWedThuFriSatSun051015

Flights By Airline ?
(Per Week)

United
42
JetBlue
28
Virgin America
15
Delta
10
Alaska
3

Tables and Explanations

Data Source

Our information is computed from the latest available data from the US Department of Transportation.

Average Timeline Timeline Chart

The average timeline contains the median time a flight spends in 3 stages. The first of these three stages is taxiing out which includes the time from the flight leaving the gate to taking off. The second stage is in the air, which includes the time spent from the flight leaving the ground to touching back down at the end of it's journey. The last stage is taxiing in, which is from when the flight touches down to the flight arriving at it's gate.

The average timeline also estimates on average of when the flight will leave and arrive relative to it's stated departure time.

Leaves Boston 1 minute early
Taxi Out Time 19 minutes
In the Air 362 minutes
Taxiing In 8 minutes
Arrives San Francisco 2 minutes early

Flight Reliability Reliability Chart

The reliability of an airline measures how often the airline's flights on this route are cancelled or delayed more than 10 minutes. For example, from Boston to San Francisco, United is 81% reliable, which means that United flights are on time 81% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
United 81% 18% 1%
Delta 79% 21% 0%
JetBlue 74% 25% 1%
Virgin America 73% 26% 1%
Alaska 62% 37% 1%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between Boston and San Francisco, this is due to different operational factors on the ground, as well as scheduling of planes. Each airline's flight time is split into three stages which are described above in the "Average Timeline" section. There are also miscellaneous operational issues which are included in the below total but are not accounted for in one of the three stages.

Airline Taxiing Out
(minutes)
In the Air
(minutes)
Taxiing In
(minutes)
Total
(minutes)
United 17 358 7 386
Virgin America 20 363 7 395
JetBlue 19 366 10 398
Alaska 20 367 7 398
Delta 22 367 7 400

Flights By Time of Day Flight Time By Day Chart

This one is pretty self explanatory, it represents the number of flights that leave the gate in a given hour of the day. The tricky thing here is that this is normally not a whole number since it is an average over 52 weeks. Partial numbers may indicate that a flight may be seasonal or may take off at different times due to different operational factors.

Time Count
6am 1.47
7am 2.68
8am 0.58
9am 0.92
10am 1.1
11am 0.94
12pm 0.11
3pm 0.86
4pm 0.98
5pm 0.13
6pm 1.84
7pm 0.98
8pm 0.43
9pm 0.76

Flights By Month Flights By Month Chart

The quantity of flights from Boston to San Francisco that take off in a given month of the year. This number changes because some flights are seasonal, and almost all flights have uneven demand througout the year.

Month Count
January 361
February 329
March 380
April 434
May 488
June 433
July 484
August 504
September 432
October 442
November 389
December 380

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from Boston to San Francisco that take off on a given day of the week. Some routes only have enough demand to sustain a few trips a week, while others have many flights a day. This number is also an average across the year, and hence may not be a whole number.

Day Count
Monday 14.3
Tuesday 14
Wednesday 14.2
Thursday 14.6
Friday 14.4
Saturday 11.8
Sunday 14

Flight per Airline (per Week) Flights By Airline Chart

How many times an airline flies this route in a week. Different factors play into how often a carrier chooses to fly a given route including it's need to connect disparate routes, and demand.

Airline Flights per Week
United 42
JetBlue 28
Virgin America 15
Delta 10
Alaska 3

Flight Time By Time of Day Flight Time by Time of Day Chart

The total flight time varies by each hour of the day due to factors such as airport traffic. More flights leaving an airport may cause higher taxi in or taxi out times. See the description of the average timeline above for a deeper discussion of each of these times.

Time Taxi Out
(minutes)
In the Air
(minutes)
Taxi In
(minutes)
Total
(minutes)
6am 18 365 8 394
7am 21 364 7 398
8am 17 345 9 379
9am 17 362 7 389
10am 17 357 8 384
11am 18 362 10 391
12pm 16 362 6 387
3pm 16 366 7 387
4pm 19 362 6 392
5pm 24 382 10 420
6pm 21 359 10 392
7pm 21 366 8 401
8pm 15 353 6 377
9pm 17 365 9 394
* Delayed more than 10 minutes.
All data above is a median or mean as appropriate.