Washington also had the most opportunities in overtime, taking two shots to none for Philadelphia.
The Capitals' best chance to win in overtime came with onminute left when Philadelphia's Jiri Latal was called for a holding penalty on Kelly Miller to set up a Washington power play.
But Washington never got a shot on the extra-man opportunityas John Druce took away the power play 13 seconds later when he was called for hooking.
Before the power play, Dimitri Khristich took a pass from MichaPivonka and had a high-percentage shot from the right slot, but Hextall made a leg-pad save to keep the Capitals off the scoreboard at 2:17 of overtime.
Miller had the other shot for Washington in overtime.
"Overall, we're playing better away from the puck," Washingtocoach Terry Murray said. "We didn't play well for 60 minutes, but you have to give Philadelphia credit for changing strategy on us in the second period. They shut us off in the second period and we tried to go through them instead of around them."
Murray said the Capitals got some "lucky bounces."
"You have to have those bounces to win in this league," he said"We got a kind of lucky goal from Dino. It's the kind of goal that only Dino could score."
Philadelphia woke up in the second period to dominate thaction and take a 3-2 advantage at the end of the period.
The Flyers took 17 shots in the second period, with defensemaLatal and left wing Derrick Smith scoring to wipe out Washington's 2-1 lead.
The Capitals got off only five shots in a lackluster second periothat came after an impressive start.
Washington looked sharp in the first period, skating aggressiveland getting several breakaway opportunities on the way to the 2-1 margin.
The Capitals outshot the Flyers, 11-4, and came close to gettinfour goals in the period.
Pivonka and Khristich had one-on-one, point-blank shots against Hextall on breaks, but they couldn't beat the Flyers goaltender.
Nick Kypreos and Miller did solve Hextall for first-period goalthat pushed the home team ahead after Philadelphia had taken a 1-0 lead on a goal by Murray Craven at 1:59 of the period.
Philadelphia 1 2 0 0 -- 3
Washington 2 0 1 0 -- 3
First period--1, Philadelphia, Craven 12 (Kerr, Acton), 1:59. 2, Washington, Kypreos 6 (Leach, Hatcher), 3:21. 3, Washington, Miller 9 (Ridley, Rouse), 17:23. Penalties--Craven, Phi (hooking), 5:47; Bondra, Was (high-sticking), 7:03; Beaupre, Was, served by Hunter, (delay of game), 9:59; Ricci, Phi (holding), 15:59; Hatcher, Was (interference), 16:49.
Second period--4, Philadelphia, Latal 4 (Eklund, Tocchet), 2:30. 5, Philadelphia, Smith 7 (Sutter, Lacombe), 8:31. Penalties--Acton, Phi (roughing), 17:21; Tatarinov, Was (roughing), 17:21.
Third period--6, Washington, Ciccarelli 9 (Miller, Ridley), 14:27. Penalties--None.
Overtime--None. Penalties--Latal, Phi (holding), 4:00; Tocchet, Phi, misconduct, 4:00; Druce, Was (hooking), 4:13.
Shots on goal--Philadelphia 4-17-3-0--24. Washington 11-5-10-2--28. Power-play opportunities--Philadelphia 0 of 3; Washington 0 of 3. Goalies--Philadelphia, Hextall, 4-6-4 (28 shots-25 saves). Washington, Beaupre, 6-10-1 (24-21). A--17,367. Referee--Andy vanHellemond. Linesmen--Gord Broseker, Mark Pare.