Boston to Chicago (BOS–ORD) — Airlines, Schedules & Connections
Flight Schedule
108 flights
Verified 5m ago
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No flights match your filters.
No nonstop flights on this route. connecting options below.
✦ 1-Stop Connections
→
Separate tickets — book each leg independently. Collect and recheck bags at .
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✧ 2-Stop Connections
Separate tickets — book each leg independently. Collect and recheck bags at each hub.
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Boston to Chicago
10 carriers, 300 flights/week nonstop.
10 Airlines
300 Flights/wk
864 mi
2h 36m nonstop
-1h behind
149 1-stop hubs
BOS–ORD is served by 10 airlines with nonstop service. American Airlines, United Airlines and Delta Air Lines lead the route. The flight covers 864 miles in approximately 2h 36m. Beyond nonstop, 149 hubs offer 1-stop connections.
Carriers on this route
Airline Landscape
All carriers operating nonstop BOS–ORD service, compared side by side.
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AA American Airlines | 126 | 319, 738, E70, E75, E75L | 2h43-3h17 | Oneworld | – | |
| UA United Airlines | 61 | 32Q, 737, 738, 739, 73G, 7M9, B38M | 2h36-3h06 | Star Alliance | – | |
| DL Delta Air Lines | 35 | 223, 319, BCS3, E75, E75S | 2h41-3h10 | SkyTeam | – | |
| AS Alaska Airlines | 21 | 319, 738 | 3h03-3h11 | Oneworld | – | |
| B6 JetBlue | 15 | 223, BCS3 | 3h03-3h10 | – | – | |
| AZ ITA Airways | 14 | 319, 739 | 2h58-3h05 | SkyTeam | – | |
| AV avianca | 7 | 739 | 3h05 | Star Alliance | – | |
| BA British Airways | 7 | 319 | 3h14 | Oneworld | – | |
| CX Cathay Pacific | 7 | E75 | 3h11 | Oneworld | – | |
| EK Emirates | 7 | 739 | 3h05 | – | – |
Aircraft on this route
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule
Weekly Schedule Pattern
Nonstop flight frequency by day of week, BOS to ORD direction.
Mon
45
flights
Tue
42
flights
Wed
41
flights
Thu
44
flights
Fri
43
flights
Sat
42
flights
Sun
43
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
53
Nonstop flights
300
Outbound / wk
338
Return / wk
Connections
Connection Landscape
Beyond nonstop. 1-stop and 2-stop options for BOS to ORD.
1-STOP
One-Stop Connections
149
Hubs
~3h
Fastest
~46h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
6,126
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability
On-Time Performance
What to expect at each end of your journey.
Outbound
BOS → ORD
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
78%
Return
ORD → BOS
40%
Frequent delays expected. Consider flexible booking.
Departing
40%
Arriving
87%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots.
BOS delays → ORD delays →
Alternatives
Other ways to reach Chicago from Boston
Nearby airports with service to Chicago O'Hare International Airport.
| Metric | BOS→ORD | BED→ORD | MHT→ORD |
|---|---|---|---|
| Distance from BOS | – | 16 mi | 45 mi |
| Nonstop airlines | 10 | 1 | 1 |
| Weekly flights | 300 | 1 | 21 |
| Flight time | 2h 36m | 2h 26m | 2h 59m |
| Departure OTP | 100% | – | – |
Bedford (BED) to Chicago flights · Manchester (MHT) to Chicago flights · Providence/Warwick (PVD) to Chicago flights
Airports within 200 miles of BOS with service to Chicago O'Hare International Airport.
Know before you go
Travel Essentials
Practical planning for this route.
Time Difference
-1h
Chicago is 1 hour
behind
Boston.
BOS: EDT · ORD: CDT
When it's 6:00 PM in Boston, it's 5:00 PM in Chicago.
BOS: EDT · ORD: CDT
When it's 6:00 PM in Boston, it's 5:00 PM in Chicago.
Distance & Flight Time
864 mi / 1,391 km
Nonstop flight time is approximately 2h 36m to 3h 17m.
Getting to BOS
MBTA Silver Line SL1 bus runs from South Station (Red Line, Amtrak) through the Ted Williams Tunnel to all Logan terminals; free from the airport, $2.40 inbound. Journey from South Station takes 15–20 minutes depending on traffic. The Blue Line Aquarium station connects to a free water taxi ($12) across the harbor to Logan; scenic but weather-dependent.Taxis from downtown Boston cost $30–45 with the Ted Williams Tunnel toll included. Ride-hails are comparable. The Sumner and Ted Williams tunnels both serve the airport; check traffic before departing, as both frequently back up. Logan is only 3 miles from downtown but tunnel congestion often extends that to 30+ minutes.
Getting from ORD
CTA Blue Line runs 24/7 from O'Hare to downtown Chicago (45 min, $5). Taxis use a flat-rate zone system; downtown is around $40–45 plus tip. Ride-shares are typically $30–50.The Airport Transit System (ATS) connects all terminals and parking. Metra commuter rail does not serve O'Hare directly; transfer downtown via Blue Line.
Chicago Climate
Continental climate with four distinct seasons. Summers are warm and humid (25–32°C) with afternoon thunderstorms. Winters are cold (−10 to −2°C) with heavy snowfall that regularly delays flights December through March.
Spring and fall are mild but unpredictable. Pack layers. Lake Michigan moderates temperatures near the lakefront, but O'Hare sits inland and runs colder.
Facts
BOS–ORD Quick Facts
Key statistics for the Boston to Chicago route.
Route details
Distance864 mi / 1,391 km
Flight time2h 36m to 3h 17m
Time difference-1 hour
Airlines (nonstop)10
Weekly flights300 out / 338 return
1-stop connections149 hubs
Origin: BOS
Full nameBoston Logan International Airport
IATA / ICAOBOS / KBOS
TimezoneAmerica/New_York
Passengers/yr42.2M
Elevation20 ft / 6 m
Destination: ORD
Full nameChicago O'Hare International Airport
IATA / ICAOORD / KORD
TimezoneAmerica/Chicago
Passengers/yr80.0M
Elevation680 ft / 207 m
FAQ
Frequently Asked Questions
Common questions about BOS to ORD flights.
Nonstop flights from Boston Logan International Airport to Chicago O'Hare International Airport take approximately 2h 36m to 3h 17m. The route covers 864 miles.
10 airlines operate nonstop service: American Airlines, Alaska Airlines, avianca, ITA Airways, JetBlue, British Airways, Cathay Pacific, Delta Air Lines, Emirates and United Airlines.
There are approximately 300 nonstop flights per week from BOS to ORD. The return direction has about 338 weekly flights.
Yes, 1-stop connections are available through YHM, TEB, FRG, LCK, MIV, SUS, ALB, HPN, PWM, HYA, BTV, CHO, MSN, LEX, PIA, AUG, SBN, ROA, CRW, MKC, GSP, MCN, HHH, TVC, FSD, MLB, CXO, SUA, APF, OPF, ASE, ICT, HDN, MTJ, JAC, EGE, SCF, SDQ, ORF, YVR, PLS, NAS, PVR, TYS, MBJ, PVD, SXM, AUA, EYW, AVL, DTW, LGA, YUL, IAD, BWI, JFK, SRQ, MEM, PUJ, IND, DUB, RIC, STL, CLE, RDU, EWR, BRU, MSP, SYR, CLT, BNA, ROC, DCA, CVG, PIT, PHL, ATL, YOW, MCI, CMH, VCP, BUF, MEX, YYZ, AMS, SDF, TPA, BCN, DAL, MDT, JAX, LIS, MUC, IAH, MKE, VIE, CHS, MCO, DEN, RSW, STT, DFW, BOI, SAV, GRU, FLL, MYR, MAD, MIA, LHR, LAS, MSY, ILM, KEF, AUS, SJU, FRA, PDX, SEA, SAN, LAX, SAT, FCO, PHX, SFO, SLC, PBI, BOG, CDG, BZN, AGS, HND, PTY, CUN, VPS, CPH, GCM, UVF, LIR, TLV, NRT, CMA, IST, ZRH, HKG, AUH, DXB, DOH and ICN. These options provide additional schedule flexibility.
Chicago is 1 hour behind Boston.
Yes, return flights from ORD to BOS are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.
American Airlines operates BOS-ORD into Terminal 3 at O'Hare. United uses Terminal 1. Both terminals are connected airside via the pedestrian tunnel and people mover between T1 and T3. Delta uses Terminal 2. If you are connecting from a BOS-ORD American arrival to a United departure, budget 20-25 minutes for the inter-terminal walk plus security at Terminal 1 if required.
Westbound BOS-ORD is more reliable for departures; Boston Logan has better weather resilience than O'Hare in spring thunderstorm season. O'Hare's large volume of movements and convective weather from the Great Lakes makes ORD the primary delay source on this route. Eastbound ORD-BOS departures stack delays from ORD ground stops into late afternoon. Nor'easters affect Boston arrivals December-March. Flight time is 2 hours 45 minutes westbound.
The CTA Blue Line runs 24/7 from O'Hare Airport station directly to the Loop. Travel time to Clark/Lake (downtown transfer hub) is 45 minutes. Single fare is $5. Trains run every 10 minutes during peak hours, every 15-20 minutes overnight. The Blue Line platform is accessible from the lower level of Terminal 2 in O'Hare's main building. No transfer is needed between terminals to access it.
BOS to ORD Route Overview
Boston Logan to Chicago O'Hare is a heavily competitive business corridor operated by American, United, and Delta with combined frequency of 18-22 daily round trips. Flight time is 2 hours 45 minutes. Aircraft are predominantly A319s, A320s, and 737-800s; United occasionally deploys 757-200s on high-demand slots. The Boston-Chicago O&D market is one of the top 20 domestic pairs by revenue in the US, driven by financial services, consulting, healthcare, and technology traffic between the two metros.
Connection and Operational Patterns
Boston Logan has three domestic-capable terminals (A, B, C/E); American predominantly uses B, United uses B/C, and Delta uses A. Terminal changes at Logan require exiting and re-entering security, which affects connecting itineraries. O'Hare's four active runways give it higher throughput resilience than most US airports, but summer convective weather and volume-driven FAA flow control remain consistent delay drivers. The BOS-ORD corridor is fully covered by frequent-flyer shuttle programs on both American and United, and close-in business seat availability is relatively good compared to Boston-New York routes where demand is more inelastic.