performSegueWithIdentifier not doing anything

appDelegate.m

- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation
{
    NSDictionary *d = [self parametersDictionaryFromQueryString:[url query]];
    
    //NSString *token = d[@"oauth_token"];
    NSString *verifier = d[@"oauth_verifier"];
    
    LoginViewController *loginViewController = [[UIStoryboard storyboardWithName:@"Main" bundle:[NSBundle mainBundle]] instantiateViewControllerWithIdentifier:@"Twitter Login"];
    [loginViewController doneTwitterLogin:YES];
    [loginViewController setOAuthVerifier:verifier];
    UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:loginViewController];
    NSLog(@"%@", loginViewController.navigationController);
    [loginViewController.navigationController performSegueWithIdentifier:@"User Info" sender:self];
    // The above line generates an exception that navigationController doesn't have a segue named "User Info"
    return YES;
}

LoginViewController.m

- (IBAction)twitterLogin:(UIButton *)sender {
    STTwitterAPI *twitter = [STTwitterAPI twitterAPIWithOAuthConsumerKey:@"kQIEDlgYpejDPcB9a6xJ9Aqjg" consumerSecret:@"5MNUJcqyTBRZriHv7dCFyGP1BZSh3tf3A4vZYeFOTK7GU5KnKB"];
    [twitter postTokenRequest:^(NSURL *url, NSString *oauthToken) {
        [[UIApplication sharedApplication] openURL:url];
        //[self performSegueWithIdentifier:@"User Info" sender:self];
        // The above line works but the segue happens before switching to Safari to open the URL.
    } authenticateInsteadOfAuthorize:NO forceLogin:@YES screenName:nil oauthCallback:@"tweepy://twitter_oauth" errorBlock:^(NSError *error) {
        NSLog(@"Error!");
    }];
}