According to Bovada, the Eagles are the 6th most likely team to win the Super Bowl, at 18-1. The 5 teams ahead of them are the Seahawks, Broncos, 49ers, Patriots and Packers. Here's a list of the entire league, showing what the odds were on February 3rd, and what they are now:
25-1 to 18-1 is quite a rise. Either Philly fans are betting like crazy and Vegas is trying to even things out, or Vegas really likes Darren Sproles. It'll be interesting to see how far the Eagles drop after they cut DeSean Jackson.